Nico Dauphine Resigns

According to the National Zoo’s Twitter feed and a comment posted on its Facebook page, “[Monday] the Smithsonian accepted Dr. Dauphine’s resignation; it was effective immediately.” I haven’t seen a statement anything more official looking from the National Zoo or the Migratory Bird Center.

Indeed, official statements seem to be remarkably scarce following Monday’s verdict. Where are all of Dauphine’s supporters? You know, the individuals and organizations that were so quick to cite her sloppy work when it suited their purpose (i.e., the witch-hunt against free-roaming cats), but that have remained—at least publicly—silent over the past few months.

Speaking of which… The Wildlife Society put out a peculiar statement today via its Making Tracks blog in which they seem to imply that the cats Dauphine attempted to poison had it coming to them because they “congregated near her building.” According to the statement, TWS “does not condone animal cruelty or illegal behavior of any kind”—but that’s hardly the same thing as condemning what was done in this case.

But that’s not all that’s missing. One expects more than “TWS cannot comment on this case” from a blog post called The Wildlife Society Responds to Dr. Dauphine Case on Attempted Animal Cruelty.

Of course, TWS was more than willing to offer Dauphine a platform earlier this year, when it published “Pick One: Outdoor Cats or Conservation” and “Follow the Money: The Economics of TNR Advocacy”—both of which demonstrated her willingness to put the witch-hunt ahead of the science (or even the basic information contained in an organization’s financial statements)—in a special section of The Wildlife Professional called “The Impact of Free Ranging Cats.”

So what’s changed?

On the other hand, what is there to say, really? The message is coming through loud and clear: Dauphine’s professional work on the subject of free-roaming cats—cited and promoted with great enthusiasm before all this nasty press attention—is as indefensible as the actions that landed her in DC Superior Court.

Nico Dauphine Found Guilty of Attempted Animal Cruelty

The H. Carl Moultrie Courthouse, where the Superior Court of the District of Columbia is located. Photo courtesy of Wikimedia Commons and AgnosticPreachersKid.

After more than five months of delays, Nico Dauphine was, this afternoon in the Superior Court of the District of Columbia, found guilty of attempted animal cruelty. (Sentencing hearing is scheduled for November 21st.)

Apparently, even “super lawyer” Billy Martin—brought in at the last minute—couldn’t save Dauphine. While the security camera footage (at least the portions released to the public via Fox 5 News) didn’t prove to be the smoking gun many expected, it was, it seems, sufficiently damning.

That, and Dauphine’s own testimony—which, I’m told, the judge simply didn’t buy. (Perhaps she was no more convincing in court—as, I’m told, she tried repeatedly to distance herself from her own very public statements opposing TNR—than she was during her infamous “Apocalypse Meow” presentation.)

According to a story in the Washington Post (published shortly after I had this post online), “Senior Judge Truman A. Morrison III said it was the video, along with Dauphine’s testimony, that led him to believe she had ‘motive and opportunity.’”

He specifically pointed to her repeated denials of her writings. “Her inability and unwillingness to own up to her own professional writings as her own undermined her credibility,” Morrison said.

Back in the News
While I’m pleased with the verdict, I think the fact that she’s been found guilty is actually less important than the fact that she didn’t get off the hook, if that makes any sense. This was a story that barely made the news when it first broke, and has been all but forgotten in the intervening months. A guilty verdict—regardless of the particulars—will, I hope, get the media interested again.

And, with any luck, asking some hard questions for a change.

Starting with: How in the hell was Nico Dauphine hired by the Smithsonian’s Migratory Bird Center in the first place? They had to know her reputation for both misreading and misrepresenting the science in her efforts to vilify free-roaming cats. Yet, her supervisors—including Peter Marra, of course—had Dauphine studying the hunting habits of pet cats.

As I understand it, hers is a highly competitive fellowship—surely there were other candidates who would have been a better fit. (Or maybe not—again, her reputation preceded her. If Dauphine was in fact the best fit, though, what does that say about the Migratory Bird Center and the National Zoo?)

Reactions
It’s going to be interesting to see how others react to today’s verdict.

Last I checked, The Wildlife Society’s Michael Hutchins hasn’t even mentioned Dauphine’s arrest on his blog—this, despite her extensive contribution to The Wildlife Professional (published by TWS) this past spring, when the magazine was devoted to “The Impact of Free Ranging Cats.” Nor have I seen ABC make any kind of statement. Will they remove Dauphine’s Impacts of Free-ranging Domestic Cats (Felis catus) on birds in the United States from the ABC website now that she’s been convicted, or does ABC still stand by her so-called research?

More interesting will be the reaction from those whose cats were lost—or nearly lost—as a result of Dauphine’s “community service” during her days in Athens. I don’t know that today’s decision will feel much like justice for them, though perhaps it’s a start.

MoJo Losing Its Mojo

Mother Jones, according to its Website, “is a nonprofit news organization that specializes in investigative, political, and social justice reporting.”

“…smart, fearless journalism” keeps people informed—“informed” being pretty much indispensable to a democracy that actually works. Because we’ve been ahead of the curve time and again. Because this is journalism not funded by or beholden to corporations. Because we bust bullshit and get results. Because we’re expanding our investigative coverage while the rest of the media are contracting. Because you can count on us to take no prisoners, cleave to no dogma, and tell it like it is. Plus we’re pretty damn fun.

Right up my alley. Until now.

With “Faster, Pussycat! Kill! Kill!,” published in the July/August issue, articles editor Kiera Butler fails rather magnificently all the way around.

(The article isn’t available directly from MotherJones.com yet, but you can read it (print it, too) simply by signing up for the magazine’s e-mail updates. Enter your e-mail address and click “Sign Up.” In the next window, click on “ACCESS THE ISSUE NOW”—the full issue will then open automatically in Zinio, a digital magazine reader. “Faster, Pussycat! Kill! Kill!” begins on p. 72.)

Cover Art: "Faster, Pussycat! Kill! Kill!"

The title, by the way, comes from a 1965 cult classic in which “Three strippers seeking thrills encounter a young couple in the desert.” Sadly, the film is a better reflection of reality than the information in Butler’s article is.

Population of Cats
The most obvious blunder: Citing what seems to be the same data set (“the US feline population has tripled over the last four decades”) I referred to in my “Spoiler Alert” post, Butler arrives not at 90 million or so, as indicated in the original source [1], or even the bogus 150 million figure the U.S. Fish and Wildlife Service’s Tom Will tried to sell last year to the Bird Conservation Alliance.

No—according to Butler, there were 600 million cats in this country in 2007.

At that time, the human population was 301.3 million. For the sake of easy math, then, let’s call it two cats for every human (talk about “hip-deep in cats”!). This, I believe, sets a new record for absurd population claims—far surpassing the previous record held by Steve Holmer, senior policy advisor for the American Bird Conservancy.

And from here, it only gets worse. While her grossly inflated population figure might be attributed a simple mistake. These things happen (though, of course, one expects such things to be caught by somebody on the editorial staff). However, the misinformation, misrepresentations, and missteps that make up the bulk of “Faster, Pussycat!” betray either willful ignorance or glaring bias. Or both.

Smart, fearless journalism it is not.

One Billion Birds
Butler’s litany of complaints against feral cats is all too familiar: wildlife impacts (birds, in particular), public health threats, the “failures” of TNR, the powerful feral cat lobby, and the emotional/irrational nature of feral cat advocates (i.e., the classic “crazy cat lady” label). Her sources, too, include all the usual suspects; though few are cited, many others are obvious.

Sources of Mortality
Butler claims that domestic cats (“officially considered an invasive species”) top the list of mortality sources, killing perhaps one billion birds annually in the U.S. (Her tabulated comparison of seven mortality sources bears the familiar title “Apocalypse Meow.”)

The source of Butler’s “highest reliable estimates” is the U.S. Fish and Wildlife Service, though the one-billion-birds claim has been made by others, including Nico Dauphine and Robert Cooper, [2, 3] and Rich Stallcup. [4] (In fact, Dauphine refers specifically to Stallcup’s wild-ass guess back-of-the-envelope calculation in her infamous “Apocalypse Meow” presentation.)

Yet even ABC, never one to go easy on cats—or to let science get in the way of their message—ranks building collisions ahead of cats. (Interestingly, neither USFWS nor ABC mentions the most direct human-caused source of bird mortality—hunting—which may account for 120 million avian deaths annually in the U.S. [5])

The one-billion-birds claim hinges upon an inflated estimate of outdoor cats (Dauphine and Cooper, for example, ignore published survey results [6–8], in effect doubling the number of pet cats allowed outdoors) and inflated predation rates (typically extrapolated from small, flawed studies). Multiplying one by the other, the result is impressive (hence, it’s “stickiness”).

Unfortunately, it’s also meaningless.

Still, such aggregate figures are useful for providing a scientific veneer to what is, at its core, little more than a witch-hunt. All of which makes it an easier sell to the media and the general public.

But sound bites ignore the importance of context. Aggregate predation rates, for example, fail to differentiate across vastly different habitats (e.g., islands, forests, coastlines, etc.), species (e.g., songbirds, seabirds, etc.), conditions (e.g., sick and healthy, young and old, etc.), and levels of vulnerability (e.g., ground-nesting and cavity-nesting species, rare and common species, etc.).

Predators—cats included—catch what’s easy. Indeed, at least two studies [9, 10] have found that cat-killed birds tend to be less healthy than those killed in non-predatory events (e.g., the other six mortality sources shown in Butler’s table).

Island Extinctions
In asserting that cats are “responsible for at least 33 avian extinctions worldwide,” Butler overlooks or ignores a critical detail: those extinctions involve primarily—perhaps exclusively—island species, with “insular endemic landbirds [being] most frequently driven to extinction” [11] And even this point is a matter of some debate. “Birds (both landbirds and seabirds) have been affected most by the introduction of cats to islands,” writes Mike Fitzgerald, one of the world’s foremost experts on the subject, “but the impact is rarely well documented.” [12]

“In many cases the bird populations were not well described before the cats were established and the possible role of other factors in changes in the bird populations are treated inadequately.” [12]

So what’s the impact of cats on continents?

In 2000, Fitzgerald and co-author Dennis Turner published a review of 61 predation studies, concluding unambiguously: “there are few, if any studies apart from island ones that actually demonstrate that cats have reduced bird populations.” [13]

Catbird Mortalities
Referring to research conducted by the Smithsonian Migratory Bird Center’s Peter Marra, Butler contends that “cats caused 79 percent of deaths of juvenile catbirds in the suburbs of Washington, DC.” In fact, Marra and his colleagues documented just six deaths attributable to cats, of 42 overall (then justified another three on dubious grounds). [14]

That 79 percent figure comes from dividing the number of deaths attributed to all sources of predation (33) by the total number of deaths documented over the course of the study (42). Butler’s misreading overstates predation by cats by more than 500 percent.

Public Health Threats
“Feral cats,” writes Butler, “can carry some heinous people diseases, including rabies, hookworm, and toxoplasmosis, and infection known to cause miscarriages and birth defects.” Her omission of infection rates—remarkably low in light of the frequent contact between humans and cats—suggests an interest more in fear-mongering than anything else.

Hookworms
A hookworm outbreak in the Miami Beach area in late 2010 made headlines, prompting officials to create a “cat poop map” (cats can pass hookworm eggs in their feces).

Meanwhile, Floridians were dying of influenza or pneumonia by the hundreds. In fact, according to the Florida Department of Health, 100–140 or so die each week during the winter months. (Actually, that figure accounts for only 24 of the state’s 67 counties, so the total is likely much higher.)

My point is not to dismiss the risk of “heinous people diseases” (or the suffering of those who become infected) but to put that risk into perspective. (In terms of public health, we’re better off focusing on frequent hand washing, sneezing into our sleeves, and, in the case of hookworms on the beach, wearing flip-flops—as opposed to, say, exterminating this country’s most popular companion animal by the millions.)

Toxoplasmosis
According to the Centers for Disease Control and Prevention’s Website, “Although cats can carry diseases and pass them to people, you are not likely to get sick from touching or owning a cat.” And, notes the CDC, “People are probably more likely to get toxoplasmosis from gardening or eating raw meat than from having a pet cat.”

(The same is true of feeding feral cats, by the way. While it’s true that their infection rates tend to be higher, [15] our frequent, close contact with pet cats more than offsets these differences.)

TNR
“In theory,” writes Butler, “TNR sounds great. If cats can’t reproduce, their population will decline gradually. Unfortunately, it doesn’t work. To put a dent in the total number of cats, at least 71 percent of them must be fixed, and they are notoriously hard to catch.”

In Los Angeles, adds Butler, “it failed miserably in the past.”

Contrary to Butler’s claims, however, there are numerous well-documented examples of TNR programs reducing colony size.

Perhaps the best-known TNR success story in this country is ORCAT. As of 2004, ORCAT, run by the Ocean Reef Community Association, had reduced its “overall population from approximately 2,000 cats to 500 cats.” [16] According to the ORCAT Website, the population today is approximately 350, of which only about 250 are free-roaming.

Other examples include a TNR program on the campus of the University of Florida University of Central Florida,
Orlando, in which caretakers found homes for more than 47 percent of the campus’ socialized cats and kittens, helping them reduce the campus cat population more than 66 percent, from 68 to 23. [17]

In North Carolina, researchers observed a 36 percent average decrease among six sterilized colonies in the first two years (even in the absence of adoptions), while three unsterilized colonies experienced an average 47 percent increase. [18] Four- and seven-year follow-up censuses revealed further reductions among sterilized colonies. [19]

A survey of caretakers in Rome revealed a 22 percent decrease overall in the number of cats through TNR, despite a 21 percent rate of “cat immigration.” [20]

And in South Africa, researchers recommended that “a suitable and ongoing sterilization programme, which is run in conjunction with a feral cat feeding programme, needs to be implemented” [21] on the campus of the University of KwaZulu-Natal’s Howard College—despite its proximity to “conservation-sensitive natural bush habitat and a nature reserve on the northern border.” [22]

The Cost of TNR
“Cash-strapped cities,” argues Butler, “can’t afford to chase down, trap, and sterilize every stray—a process that costs $100 per kitty.” So, can these cities afford to round up and kill the cats?

Mark Kumpf, past president of the National Animal Control Association doesn’t think so. “There’s no department that I’m aware of,” says Kumpf, “that has enough money in their budget to simply practice the old capture-and-euthanize policy; nature just keeps having more kittens.” Traditional control methods, he says, are akin to “bailing the ocean with a thimble.” [23]

The Cat Lobby
If TNR is so ineffective, why is it becoming the feral cat management approach of choice across the country (adopted in “at least 10 major cities,” according to Butler)? It must be the powerful cat lobby.

Alley Cat Allies, “whose budget was $5.3 million last year,” writes Butler, “has enjoyed generous grants from cat-food venders like PetSmart and Petco.”

It’s a play straight out of Dauphine’s playbook: paint the avian-industrial complex TNR opponents as victims of the powerful cat lobby. (In The Wildlife Professional’s recent special issue, “The Impact of Free Ranging Cats,” Dauphine complains: “The promotion of TNR is big business, with such large amounts of money in play that conservation scientists opposing TNR can’t begin to compete.” [24])

Alley Cat Allies
How generous were these grants, exactly? According to ACA’s 2010 Annual Report (PDF):

“Alley Cat Allies received more than $5.2 million in support between August 1, 2009 and July 31, 2010: more than 69,000 individuals contributed $4.8 million, including over $1 million in bequests. An additional $245,000 came from Workplace Campaigns, and over $14,000 came from foundation grants.”

Roughly 0.2 percent of their “total public support” came from all foundations combined. In 2009, grants and foundations accounted for 1.7 percent; in 2008, 1.0 percent.  (Maybe Butler never got the memo re: MoJo’s commitment to bullshit-busting.)

New Jersey Audubon
Another of Dauphine’s complaints that found its way into “Faster, Pussycat!”:

“Pro-feral groups—there are 250 or so in the United States—have used their financial might to woo wildlife groups. Audubon’s New Jersey chapter backed off on its opposition to TNR in 2005, around the same time major foundations gave the chapter grants to partner with pro-TNR groups.”

What Butler (like Dauphine before her) fails to acknowledge is the important role NJAS plays in the New Jersey Feral Cat & Wildlife Coalition, which has developed a set of model protocols and ordinances designed to help municipal TNR programs in ensuring the protection of any vulnerable native wildlife (DOC).

This is exactly the kind of collaborative effort that should be supported.

For what it’s worth: it’s not clear that NJAS was easily wooed with grant funding. A quick visit to Guidestar.com reveals that NJAS brought in $6.8 million in 2008, and had $25.6 million in “net assets or fund balances” on its books. (I’ve been unable to determine the amount of grant funding NJAS received for “this important initiative,” as CEO and VP of Conservation and Stewardship Eric Stiles described it in a 2008 newsletter. [25])

Mental Health
Butler frames the TNR debate using what’s come to be standard form: rationale scientists on one side; on the other, cat advocates fueled by emotion. And mental illness, too, apparently: “There’s also speculation that [toxoplasmosis] can trigger schizophrenia and even the desire to be around cats—some researchers blame the crazy-cat-lady phenomenon on toxo.”

A Heated Debate
It’s a dangerous combination, according to Butler.

“Many of the biologists I spoke with say they’ve been harassed and even physically threatened when they’ve presented research about the effect cats have on wildlife.”

Is it really so one-sided?

Why didn’t Butler mention the case of Jim Stevenson, the Galveston birder who, in 2006, shot and killed (though not immediately) a feral cat within earshot of the cat’s caretaker? [26]

Or, more recently, the charges of attempted animal cruelty filed by the Washington Humane Society against Dauphine? (Or, for that matter, the stream of toxic comments almost guaranteed to accompany nearly any online story about feral cats or TNR.)

Clearly, the “cat people” don’t have a monopoly on emotional—even violent—responses to the issue.

Sustaining a Killer
When Butler tells an ecologist she knows that she’s feeding a feral cat, she’s told: “Basically, you’re sustaining a killer.” Which is essentially Butler’s intended take-away:

“Until they do [invent a single-dose sterilization drug], biologists recommend a combination of strategies. For starters, quit feeding ferals: Beyond sustaining strays, the practice often leads to delinquent pet owners to abandon their cats outdoors, assuming they will be well cared for.”

Are we to believe that abandonment is reduced or eliminated where the feeding of feral cats is prohibited? Owners (delinquent, I agree) interested in dumping their cats can, unfortunately, do so easily.

The far greater incentive for dumping comes from local shelters, most of which euthanize kill the majority of cats brought in. Many require a surrender fee.

I’m just about the last person to defend the dumping of cats, but shouldn’t we acknowledge the aspects of “animal control” policy that contribute to it?

But back to this idea that “no food” means “no ferals.” It sounds reasonable enough, but doesn’t hold up very well to scrutiny. For one thing, where there are humans, there’s food to be found. In fact, even where there are no people, cats don’t starve.

On Marion Island—barren and uninhabited—it took 19 years to eradicate approximately 2,200 cats. Their only human provision: “the carcasses of 12,000 day-old chickens” each injected with the poison sodium monofluoroacetate. [27] (The rest—the vast majority—were killed through the introduction of feline distemper, intensive hunting and trapping, and dogs. [28, 27])

Is Butler suggesting that the cats in her neighborhood would have it tougher than the Marion Island cats? Even setting aside the cruelty involved, we’re not likely to starve our way out of the “feral cat problem.” Unlike TNR, such an approach only drives the cats (and their caretakers) underground.

This, of course, is roughly the same approach that’s proved ineffective failed so spectacularly at addressing so many other complex issues, including drug enforcement, immigration policy, gays in the military, and so forth.

•     •     •

Since I launched Vox Felina last year, I’ve been critical of articles appearing in any number of publications: scientific journals (e.g., Conservation Biology), major newspapers (e.g., The Washington Post and The New York Times), an alt-weekly, and more.

None of which bothered me in the least, as I feel no particular connection to any of them. This is not to say that I don’t value, admire, and respect much of the work found, for instance, in the Times—only that I’ve no affinity for, or loyalty to, the paper itself.

But Mother Jones is different. Maybe it’s that whole bullshit-busting, take-no-prisoners, tell-it-like-it-is business—I’d like to think that’s something we share in common.

This time around, though, the magazine served up bullshit by the shovelful, swallowed in one gulp the misinformation churned out by ABC, The Wildlife Society, and other TNR opponents, and… well, told it like it isn’t.

With the publication of “Faster, Pussycat!,” Mother Jones failed miserably in its promise to readers. Which, I have to think, isn’t a lot of fun.

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http://www.ceru.up.ac.za/downloads/A_review_successful_eradication_feralcats.pdf

28. Bloomer, J.P. and Bester, M.N., “Control of feral cats on sub-Antarctic Marion Island, Indian Ocean.” Biological Conservation. 1992. 60(3): p. 211-219. http://www.sciencedirect.com/science/article/B6V5X-48XKBM6-T0/2/06492dd3a022e4a4f9e437a943dd1d8b

Apocalypse Meow: A Brief Review

Although Nico Dauphine has yet to be suspended from her duties at the Smithsonian’s Migratory Bird Center, it seems all the attention she’s received over the past week-and-a-half is making life rather uncomfortable for her supporters.

Last week, the National Zoo removed Dauphine’s online application for recruiting field assistants from its Website; this week, the University of Georgia’s Warnell School of Forestry and Natural Resources pulled her infamous “Apocalypse Meow” presentation from its site.

Which is understandable, given the circumstances. Far more puzzling is what it was doing there in the first place. The content is, not surprisingly, remarkably “selective” in terms of the science. What is surprising, though, is Dauphine’s delivery: she looks and sounds like a person without the least bit of conviction in the material she’s presenting. (Actually, she’s mostly reading to the audience—for 41 minutes.)

Dauphine (whose status hearing, originally scheduled for June 1, has been postponed until the 15th) presented “Apocalypse Meow: Free-ranging Cats and the Destruction of American Wildlife” in March of 2009, at Warnell (where she earned her PhD). Although she tells the audience that her goal “is to review and present the best available science that we have,” what she delivers is essentially no different from what she presented in her Partners In Flight conference paper [1]  (much of which is recycled in the current issue of The Wildlife Professional in a special section called “The Impact of Free Ranging Cats” [2]).

In other words: lots of exaggerated and misleading claims—and plenty of glaring omissions (i.e., the distinction between compensatory and additive predation).

Included in the section on predation are all the usual suspects: Longcore et al., [3] Coleman and Temple, [4] Crooks and Soulé, [5] PhD dissertations by both Christopher Lepczyk [6] and Cole Hawkins, [7] along with references to Linda Winter, David Jessup, [8] Pamela Jo Hatley, and others.

Among the highlights:

Invasive Species (of All Kinds)
Referring to island extinctions, Dauphine references a 2008 paper by Dov Sax and Steven Gaines—the same one the U.S. Fish and Wildlife Service cite (again, as “evidence” of island extinctions caused by cats) in their Florida Keys National Wildlife Refuges Complex Integrated Predator Management Plan/Draft Environmental Assessment, released earlier this year. As I point out in my response to the Keys plan, though, the Sax & Gaines paper isn’t about cats at all, but invasive plants. [9]

Magic Multipliers
For Dauphine, Lepczyk’s estimated 52 birds/cat/year predation rate simply isn’t enough. Studies using “prey returns,” she argues, underestimate the real damage. “Some studies using radio-collars and other techniques have shown that, typically, cats will return maybe one in three kills that they make, and sometimes not at all—so this is, again, a very conservative estimate of the actual number of kills.”

But Lepczyk’s PhD work wasn’t based on “prey returns” at all. He used a survey (one of many flaws), asking landowners, “how many dead or injured birds a week do all the cats bring in during the spring and summer months?” [6]

And the idea that cats return only one in every three kills? That’s based on some wonky analysis by Kays and DeWan, who studied the hunting behaviors of just 24 cats: 12 that returned prey home, and another 12 (11 pets and 1 feral) that were observed hunting for a total of 181 hours (anywhere from 4.8–46.5 hours per cat). [10]

The Selective Generalist
Dauphine stretches Hawkins’ conclusions (which Hawkins himself had already stretched past the point of being defensible) to suggest “a sort of preferential prey take for native species in some cases, by cats.” In other words, the cats might target native species.

Or not. Less than two minutes later, Dauphine’s making the case for hyperpredation—the devastating impact on native prey species (e.g., seabirds) brought about by a large population of cats supported largely by predation on an introduced prey species (e.g., rabbits).

From Millions to Billions
It’s difficult not to see Dauphine’s assertion that “it’s not productive to argue about the numbers”—which comes fairly early in her presentation—as disingenuous when she tries repeatedly to quantify predation levels (each of which is then qualified as “conservative”). Her use of a graph included in the second edition of Frank Gill’s Ornithology (shown below) is particularly interesting.

Now, the original source of Gill’s cat “data,” as Dauphine acknowledges, is Rich Stallcup’s 1991 article, “A reversible catastrophe”—inexplicably, the only source Gill cites when he refers to predation by cats: “Domesticated cats in North America may kill 4 million songbirds every day, or perhaps over a billion birds each year (Stallcup 1991). Millions of hungrier, feral (wild) cats add to this toll…” [11]

And where does Stallcup’s “data” come from?

“He simply argued—he didn’t do a study—he just argued that if one in ten of those cats kills one bird per day, already then we have 1.6 billion cat-killed birds per year,” explains Dauphine. “We actually know that the numbers are much larger. For instance, he’s starting out with 55 million pet cats; we know there are over 100 million outdoor cats in this country, and possibly far more. We also know from some studies that 80 percent of cats hunt, and the number of birds killed per year are probably much higher. So again, just to emphasize: this is a conservative estimate.”

In fact, Stallcup’s “estimate” is even flimsier than Dauphine suggests:

“Let’s do a quick calculation, starting with numbers of pet cats. Population estimates of domestic house cats in the contiguous United States vary somewhat, but most agree the figure is between 50 and 60 million. On 3 March 1990, the San Francisco Chronicle gave the number as 57.9 million, ‘up 19 percent since 1984.’ For this assessment, let’s use 55 million.

Some of these (maybe 10 percent) never go outside, and maybe another 10 percent are too old or too slow to catch anything. That leaves 44 million domestic cats hunting in gardens, marshes, fields, thickets, empty lots, and forests.

It is impossible to know how many of those actively hunting animals catch how many birds, but the numbers are high. To be very conservative, say that only one in ten of those cats kills only one bird a day. This would yield a daily toll of 4.4 million songbirds!! Shocking, but true—and probably a low estimate (e.g., many cats get multiple birds a day).” [12]

Shocking, yes. True? Why would anybody think so? (I can see the appeal for Dauphine, though: like her, Stallcup grossly overestimates the number of pet cats allowed outdoors.)

(The fact that this absurdity made it—however well disguised—into a standard ornithology textbook may explain a great deal about the positions frequently taken by today’s wildlife managers and conservation biologists regarding feral cats/TNR.)

Apocalypse Now
Perhaps the strangest—almost surreal—part of “Apocalypse Meow” comes when, to illustrate her point that the (over)heated TNR debate can “result in a lot of misunderstandings, misinformation, and hard feelings,” Dauphine refers to an e-mail sent out to the university’s CATSONCAMPUS listserv during the fierce TNR debate in Athens, which read in part:

“There are some folks in the area (and all over) who are not only Anti-TNR, they also hate felines so much that some of them want to round up the cats in the area and kill them.”

Two years later, this is pretty much what Nico Dauphine stands accused of.

Literature Cited
1. Dauphine, N. and Cooper, R.J., Impacts of Free-ranging Domestic Cats (Felis catus) on birds in the United States: A review of recent research with conservation and management recommendations, in Fourth International Partners in Flight Conference: Tundra to Tropics. 2009. p. 205–219. http://www.pwrc.usgs.gov/pif/pubs/McAllenProc/articles/PIF09_Anthropogenic%20Impacts/Dauphine_1_PIF09.pdf

2. Dauphine, N. and Cooper, R.J., “Pick One: Outdoor Cats or Conservation.” The Wildlife Professional. 2011. 5(1): p. 50–56.

3. Longcore, T., Rich, C., and Sullivan, L.M., “Critical Assessment of Claims Regarding Management of Feral Cats by Trap-Neuter-Return.” Conservation Biology. 2009. 23(4): p. 887–894. http://www.abcbirds.org/abcprograms/policy/cats/pdf/Management_claims_feral_cats.pdf

4. Coleman, J.S. and Temple, S.A., “Rural Residents’ Free-Ranging Domestic Cats: A Survey.” Wildlife Society Bulletin. 1993. 21(4): p. 381–390. http://www.jstor.org/pss/3783408

5. Crooks, K.R. and Soulé, M.E., “Mesopredator release and avifaunal extinctions in a fragmented system.” Nature. 1999. 400(6744): p. 563–566. http://www.nature.com/nature/journal/v400/n6744/abs/400563a0.html

6. Lepczyk, C.A., Mertig, A.G., and Liu, J., “Landowners and cat predation across rural-to-urban landscapes.” Biological Conservation. 2003. 115(2): p. 191–201. http://www.sciencedirect.com/science/article/B6V5X-48D39DN-5/2/d27bfff8454a44161f8dc1ad7cc585ea

7. Hawkins, C.C., Impact of a subsidized exotic predator on native biota: Effect of house cats (Felis catus) on California birds and rodents. 1998, Texas A&M University

8. Jessup, D.A., “The welfare of feral cats and wildlife.” Journal of the American Veterinary Medical Association. 2004. 225(9): p. 1377-1383. http://www.ncbi.nlm.nih.gov/pubmed/15552312

http://www.avma.org/avmacollections/feral_cats/javma_225_9_1377.pdf

9. Sax, D.F. and Gaines, S.D., Species invasions and extinction: The future of native biodiversity on islands, in In the Light of Evolution II: Biodiversity and Extinction,. 2008: Irvine, CA. p. 11490–11497. www.pnas.org/content/105/suppl.1/11490.full

http://www.pnas.org/content/105/suppl.1/11490.full.pdf

10. Kays, R.W. and DeWan, A.A., “Ecological impact of inside/outside house cats around a suburban nature preserve.” Animal Conservation. 2004. 7(3): p. 273-283. http://dx.doi.org/10.1017/S1367943004001489

www.nysm.nysed.gov/staffpubs/docs/15128.pdf

11. Gill, F.B., Ornithology. 2nd ed. 1995, New York: W.H. Freeman and Company.

12. Stallcup, R., “A reversible catastrophe.” Observer 91. 1991(Spring/Summer): p. 8–9. http://www.prbo.org/cms/print.php?mid=530

http://www.prbo.org/cms/docs/observer/focus/focus29cats1991.pdf

Predator-Prey Dynamics In an Urban Matrix

According to the Smithsonian’s Migratory Bird Center, Nico Dauphine’s “current project examines predator-prey dynamics in an urban matrix in collaboration with citizen scientists at Neighborhood Nestwatch.” But according to news stories coming out of the Washington, DC, area this evening, it seems Dauphine may have taken on the role of predator herself.

NBC reports: “Authorities say they suspect Nico Dauphine, a PhD who specializes in bird conservation, was poisoning feral cats in her Columbia Heights neighborhood.”

Regular readers will recognize Dauphine’s name immediately, as I’ve been highly critical of her work from the very beginning of Vox Felina. It was, for example, a paper [1] she co-authored with Robert J. Cooper (published in the Proceedings of the Fourth International Partners In Flight Conference) that Steve Holmer, senior policy advisor for American Bird Conservancy, used to justify his bogus claim that “there are about . . . 160 million feral cats” in the U.S.

I’ve pointed out, more than once, Dauphine’s dubious scholarship—citing David Jessup’s unattributed “estimate” of “60 to 100 million feral and abandoned cats in the United States,” [2] for example. Or ignoring the results of multiple surveys suggesting that roughly two-thirds of pet cats are kept indoors, in stark contrast to Dauphine’s assertion that “65 percent, or 57 million, are free-ranging outdoor cats for at least some portion of the day.” [1]

She also misinterprets/misrepresents William George’s classic study, suggesting that “only about half of animals killed by cats were provided to their owners,” [1] thereby creating a convenient multiplier where predation is concerned.

More recently, she and Cooper were responsible for “Pick One: Outdoor Cats or Conservation,” a lengthy article in a special section of the Spring Issue of The Wildlife Professional called “The Impact of Free Ranging Cats.” Which was, not surprisingly, plagued with the same exaggerations, misrepresentations, and errors I’ve come to expect. (Dauphine also authored “Follow the Money: The Economics of TNR Advocacy,” in the same issue—where she does to the political and economic aspects of the debate what she and her colleagues have been doing to the scientific side of the debate for years now.)

•     •     •

Obviously, there’s a great deal we don’t know at this point. According to the NBC story, Dauphine “denies the accusations, saying, ‘her whole life is devoted to the care and welfare of animals.’”

At the same time, it’s my understanding that Dauphine was charged with the same crime accused of similar activities when she was living in Georgia. Perhaps we’ll find out more, one way or the other, about that case as the current case unfolds.

In any event, if these charges prove to be true, Daupine is going to have a lot of explaining—and perhaps a little time—to do.

Literature Cited
1. Dauphine, N. and Cooper, R.J., Impacts of Free-ranging Domestic Cats (Felis catus) on birds in the United States: A review of recent research with conservation and management recommendations, in Fourth International Partners in Flight Conference: Tundra to Tropics. 2009. p. 205–219. http://www.pwrc.usgs.gov/pif/pubs/McAllenProc/articles/PIF09_Anthropogenic%20Impacts/Dauphine_1_PIF09.pdf

2. Jessup, D.A., “The welfare of feral cats and wildlife.” Journal of the American Veterinary Medical Association. 2004. 225(9): p. 1377-1383. http://www.ncbi.nlm.nih.gov/pubmed/15552312

http://www.avma.org/avmacollections/feral_cats/javma_225_9_1377.pdf

It’s Not the Media, It’s the Message

To hear The Wildlife Society’s staunch opponents of TNR tell it, the media’s just not interested in stories about “the impacts of free-ranging and feral cats on wildlife.”

“This January when thousands of blackbirds fell from the sky in Arkansas, articles about mass extinctions and bird conservation were a dime-a-dozen. When the Deepwater Horizon oil spill killed 6,000 birds between April to October 2010, news organizations ran ‘Breaking News’ about the negative impacts on the environment. Meanwhile it is estimated that one million birds are killed everyday by cats, and the only news organizations covering it are small, local branches. The bigger problem is being shuffled to the backburner for more sensational news.”

According to The Wildlife Society (TWS), however, “the bigger problem” is “greater than almost any other single-issue.”

In their effort to get the issue on the front burner, TWS has “gathered the facts about these cats, and published them in the Spring Issue of The Wildlife Professional in a special section called ‘The Impact of Free Ranging Cats.’” (available free via issuu.com)

Thus armed, readers are expected to, as it says on the cover, “Pick One: Outdoor Cats or Conservation”

Back Burner or Hot Topic?
Before we get to the “facts,” it’s worth looking back over the past 15 months to see just how neglectful the media have been re: “the bigger problem.”

  • January 9, 2010: Travis Longcore, science director for the Urban Wildlands Group, tells Southern California Public Radio: “Feral cats are documented predators of native wildlife. We do not support release of this non-native predator into our open spaces and neighborhoods, where they kill birds and other wildlife.”
  • January 17, 2010 Longcore, whose Urban Wildlands Group was lead plaintiff in a lawsuit aimed to put an end to publicly supported TNR in Los Angeles, tells the L.A. Times: “It’s ugly; it’s gotten very vicious. It’s not like we’ve got a vendetta here. This is a real environmental issue, a real public health issue.” In the same story, American Bird Conservancy’s Senior Policy Advisor, Steve Holmer, tells the Times: “The latest estimates are that there are about . . . 160 million feral cats [nationwide]… It’s conservatively estimated that they kill about 500 million birds a year.”

  • September 30, 2010: “Scientists are quietly raging about the effects that cats, both owned and stray, are having on bird populations,” claims Washington Post columnist Adrian Higgins. “It’s not an issue that has received much attention, but with an estimated 90 million pet cats in the United States, two-thirds of them allowed outdoors, the cumulative effect on birds is significant, according to experts.” Higgins’ story is riddled with misinformation, courtesy of the American Bird Conservancy (ABC), The Wildlife Society, and Dauphine and Cooper’s 2009 Partners in Flight paper.

“Palmer said one of the most ‘heartbreaking’ scenes during filming was at a volunteer spay-neuter clinic in Los Angeles that sterilized 80 ferals a day. She said most of the cats had infections that never healed, as well as broken bones, large abscesses around their teeth and mange.” (A claim easily discredited, if only the reporters had bothered to check.)

  • January 2011: Utah Representative Curtis Oda sponsors HB 210, which would permit “the humane shooting of an animal in an unincorporated area of a county, where hunting is not prohibited, if the person doing the shooting has a reasonable belief that the animal is a feral animal.”

Yet, the folks at TWS would have us believe that “the only news organizations covering [the cat-bird issue] are small, local branches.” As is often the case, their story doesn’t hold up well alongside the facts.

Indeed, other than when Higgins got Executive Director/CEO Michael Hutchins’ name wrong, it’s hard to see what TWS has to complain about.

The Art of Selling Science
“After years of arguments,” laments Nico Dauphine and Robert Cooper, recalling last year’s decision by Athens, GA, to adopt TNR, “the vote was cast: 9–1 in favor of the ordinance, with an additional 7–3 vote establishing a $10,000 annual budget to support the TNR program.”

“How could this happen in a progressive community like Athens, Georgia, home to one of the nation’s finest university programs in wildlife science? The answer is a complex mix of money, politics, intense emotions, and deeply divergent perspectives on animal welfare… If we’re going to win the battle to save wildlife from cats, then we’ll need to be smarter about how we communicate the science.” [1]

Something tells me this “smarter” communication doesn’t allow for much in the way of honesty and transparency—attributes already in short supply.

Old Habits
“The Impact of Free Ranging Cats” has given its contributors the opportunity to revive and reinforce a range of dubious claims, including the ever-popular exaggerations about the number of free-roaming cats in the environment.

According to Dauphine and Cooper, “The number of outdoor pet cats, strays, and feral cats in the U.S. alone now totals approximately 117 to 157 million,” [1] an estimate rooted in their earlier creative accounting. Colin Gillin, president of the American Association of Wildlife Veterinarians, who penned this issue’s “Leadership Letter” (more on that later), follows suit, claiming  “60 million or more pet cats are allowed outdoors to roam free.” [2]

The American Pet Products Association 2008 National Pet Owners Survey, though, indicates that 64 percent of pet cats are indoor-only during the daytime, and 69 percent are kept in at night [3]. Of those that are allowed outdoors, approximately half are outside for less than three hours each day. [4, 5]

This information is widely available—and has been for years—yet many TNR opponents continue to inflate by a factor of two the number of free-roaming pet cats.

And it only gets worse from here.

Dense and Denser
Not content to inflate absolute cat numbers, Dauphine and Cooper go on to misrepresent research into population demographics as well. “Local densities can be extremely high,” they write, “reaching up to 1,580 cats per square kilometer in urban areas.” [1] In fact, the very paper they cite paints a rather different picture. For one thing, there’s quite a range involved: 132–1,579 cats per square kilometer (a point recognized by Yolanda van Heezik, another contributor to the special issue [6].)

Also, this is a highly skewed distribution—there are lots of instances of low/medium density, while high densities are far less common. As a result, the median (417) is used “as a measure of central tendency” [7] rather than the mean (856). So, although densities “reaching up to 1,580 cats per square kilometer in urban areas” were observed, more than half fell between 132 and 417 cats per square kilometer (or 51–161 cats per square mile).

Even more interesting, however, are what Sims et al. learned when they compared bird density and cat density: in many cases, there were more birds in the very areas where there were more cats—even species considered especially vulnerable to predation by cats. It may be, suggest Sims et al., that, because high cat density corresponds closely to high housing density, this measure is also an indication of those areas “where humans provide more supplementary food for birds.” [7]

Another explanation: “consistently high cat densities in our study areas… and thus uniformly high impacts of cat populations on urban avian assemblages.” [7] (Interestingly, the authors never consider that they might be observing uniformly low impacts.)

The bottom line? It’s difficult enough to show a direct link between observed predation and population impacts; suggesting a causal connection between high cat densities and declining bird populations is misleading and irresponsible. (Not that Dauphine and Cooper are the only ones to attempt it; recall that no predation data from Coleman and Temple’s “Wisconsin Study” were ever published, despite numerous news stories in which Temple referred to their existence in some detail [8–10].)

Predation Pressure
Dauphine and Cooper make a similar leap when, to buttress their claim that “TNR does not reduce predation pressure on native wildlife,” [1] they cite a study not about predation, but about the home ranges of 27 feral cats on Catalina Island.

While it’s true that the researchers found “no significant differences… in home-range areas or overlap between sterilized and intact cats,” [11] this has as much due to their tiny sample size as anything else. And the difference in range size between the four intact males and the four sterilized males was—while not statistically significant—revealing.

The range of intact males was 33–116 percent larger during the non-breeding season, and 68–80 percent larger during the breeding season. In his study of “house-bound” cats, Liberg, too, found differences: “breeding males had ranges of 350–380 hectares; ranges of subordinate, non-breeding males were around 80 hectares, or not much larger than those of females.” [12]

All of which suggests smaller ranges for males that are part of TNR programs. What any of this has to do with “predation pressure on native wildlife,” however, remains an open question.

On the other hand, Castillo and Clarke (whose paper Dauphine and Cooper cite) actually documented remarkably little predation among the TNR colonies they studied. In fact, over the course of approximately 300 hours of observation (this, in addition to “several months identifying, describing, and photographing each of the cats living in the colonies” [13] prior to beginning their research), Castillo and Clarke “saw cats kill a juvenile common yellowthroat and a blue jay. Cats also caught and ate green anoles, bark anoles, and brown anoles. In addition, we found the carcasses of a gray catbird and a juvenile opossum in the feeding area” [13].

Another of Dauphine and Cooper’s “facts”—that “TNR does not typically reduce feral cat populations”—is contradicted by another one of the studies they cite. Contrary to what the authors suggest, Felicia Nutter’s PhD thesis work showed that “colonies managed by trap-neuter-return were stable in composition and declining in size throughout the seven year follow-up period.” [14]

Indeed, Nutter observed a mean decrease of 36 percent (range: 30–89 percent) in the six TNR colonies they studied over two years. By contrast, the three control colonies increased in size an average of 47 percent. [15]

Additional TNR success stories Dauphine and Cooper fail to acknowledge:

  • Natoli et al. reported a 16–32 percent decrease in population size over a 10-year period across 103 colonies in Rome—despite a 21 percent rate of “cat immigration.” [16]
  • As of 2004, ORCAT, run by the Ocean Reef Community Associa­tion (in the Florida Keys), had reduced its “overall population from approximately 2,000 cats to 500 cats.” [17] Accord­ing to the ORCAT Website, the population today is approximately 350, of which only about 250 are free-roaming.

Toxoplasma gondii
In recent years, Toxoplasma gondii has been linked to the illness and death of marine life, primarily sea otters [18], prompting investigation into the possible role of free-roaming (both owned and feral) cats. [19, 20] But if, as the authors claim, “the science points to cats,” then it does so rather obliquely, an acknowledgement Jessup and Miller make begrudgingly:

“Based on proximity and sheer numbers, outdoor pet and feral domestic cats may be the most important source of T. gondii oocysts in near-shore marine waters. Mountain lions and bobcats rarely dwell near the ocean or in areas of high human population density, where sea otter infections are more common.” [21, emphasis mine]

Correlation, however, is not the same as causation. And not all T. gondii is the same.

In a study of southern sea otters from coastal California, conducted between 1998 and 2004, a team of researches—including Jessup and Miller—found that 36 of 50 otters were infected with the Type X strain of T. gondii, one of at least four known strains. [22] Jessup and Miller were also among 14 co-authors of a 2008 paper (referenced in their contribution to “The Impact of Free Ranging Cats”) in which the Type X strain was linked not to domestic cats, but to wild felids:

“Three of the Type X-infected carnivores were wild felids (two mountain lions and a bobcat), but no domestic cats were Type X-positive. Examination of larger samples of wild and domestic felids will help clarify these initial findings. If Type X strains are detected more commonly from wild felids in subsequent studies, this could suggest that these animals are more important land-based sources of T. gondii for marine wildlife than are domestic cats.” [20, emphasis mine]

Combining the results of the two studies, then, nearly three-quarters of the sea otters examined as part of the 1998–2004 study were infected with a strain of T. gondii that hasn’t been traced to domestic cats. (I found this to be such surprising news that, months ago, I tried to contact Miller about it. Was I missing something? What studies were being conducted that might confirm or refute these finings? Etc. I never received a reply.)

As Miller et al. note, “subsequent studies” are in order. And it’s important to keep in mind their sample size was quite small: three bobcats, 26 mountain lions, and seven domestic cats (although the authors suggest at one point that only five domestic cats were included).

Still, a recently published study from Germany seems to support the hypothesis that the Type X strain isn’t found in domestic cats. Herrmann et al. analyzed 68 T. gondii-positive fecal samples (all from pet cats) and found no Type X strain. [23] (It’s interesting to note, too, that only 0.25 percent of the 18,259 samples tested positive for T. gondii.)

This is not to say that there’s no connection between domestic cats and Toxoplasmosis in sea otters, but that any “trickle-down effect,” as Jessup and Miller describe it, is not nearly as well understood as they imply. There’s too much we simply don’t know.

Money and Politics
I agree with Dauphine and Cooper that science is only part of the TNR debate—that it also involves “a complex mix of money, politics, intense emotions, and deeply divergent perspectives on animal welfare.” And I agree with their assessment of the progress being made by TNR supporters:

“Advocates of TNR have gained tremendous political strength in the U.S. in recent years. With millions of dollars in donor funding, they are influencing legislation and the policies of major animal-oriented nonprofit organizations.” [1]

What I find puzzling is Dauphine’s rather David-and-Goliath portrayal of the “cat lobby” (my term, not hers) they’re up against—in particular, her complaint, “promotion of TNR is big business, with such large amounts of money in play that conservation scientists opposing TNR can’t begin to compete.” [24]

The Cat Lobby
In “Follow the Money: The Economics of TNR Advocacy,” she notes that Best Friends Animal Society, “one of the largest organizations promoting TNR, took in over $40 million in revenue in 2009.” [24] Fair enough, but this needs to be weighed against expenses of $35.6 million—of which $15.5 million was spent on “animal care activities.”

But Dauphine’s got it wrong when she claims that Best Friends “spent more than $11 million on cat advocacy campaigns that year.” [24] Their financials—spelled out in the same document Dauphine cites—are unambiguous: $11.7 million in expenditures went to all “campaigns and other national outreach.” Indeed, there is no breakdown for “cat advocacy campaigns.”

Dauphine does a better job describing Alley Cat Allies’ 2010 financials: of the $5.2 million they took in, $3.3 million was spent in public outreach. But she’s overreaching in suggesting that their “Every Kitty, Every City” campaign is nationwide. For now, at least, it’s up and running in just “five major U.S. cities.”

Echoing Dauphine’s concerns, Florida attorney Pamela Jo Hatley decries ORCAT’s resources: “At a meeting hosted by the Ocean Reef Resort in June 2004,” recalls Hatley, “I learned that the ORCAT colony then had about 500 free-ranging cats, several paid employees, and an annual operating budget of some $100,000.” [25]

What Hatley fails to mention is how those resources have been used to make ORCAT a model for the rest of the country—using private donations. Hatley doesn’t seem to object to the U.S. Fish and Wildlife Service shelling out $50,000—of tax dollars—in 2007 to round up fewer than 20 cats (some of which were clearly not feral) along with 81 raccoons (53 of which were released alive) in the Florida Keys. [26, 27]

Following the Money
According to their 2008 Form 990, ORCAT took in about $278,000 in revenue, compared to $310,000 in expenses. How does that compare to some of the organizations opposing TNR? A quick visit to Guidestar.com helps put things in perspective.

  • In 2009, ABC took in just under $6 million, slightly more than their expenses.
  • TWS had $2.3 million in revenue in 2009, which was more than offset by expenses of $2.5 million.
  • Friends of the National Zoo, which oversees the Smithsonian Migratory Bird Center, showed $15 million in revenue, just exceeding their 2009 expenses of $14.7 million. (The Smithsonian Institute topped $1 billion in both the revenue and expense categories.)
  • And the National Audubon Society took in $61.6 million in 2008 (the most recent year for which information is available). And, despite expenses in excess of $86 million, finished the year with more than $255 million in net assets.

These numbers clearly don’t reflect the funding each organization dedicates to opposing TNR—but neither do they offer any evidence that, as Dauphine argues, “conservation scientists opposing TNR can’t begin to compete.”

Intense Emotions
Nobody familiar with the TNR debate would suggest that it’s not highly emotional. How can it be otherwise? Indeed, the very idea of decoupling our emotions from such important discourse is rather absurd.

Having an emotional investment in the debate does not, however, make one irrational or stupid.

“On the surface,” suggest Dauphine and Cooper, their tone unmistakably condescending, “TNR may sound reasonable, even logical.” [1] Gillin, for his part, bemoans the way the TNR debate “quickly shifts from statistics to politics to emotional arguments.” [2]

What’s particularly fascinating about all of this—the way TNR supporters are made out to be irrational (if not mentally ill—as in a letter to Conservation Biology last year, when several TNR opponents, including four contributors to “The Impact of Free Ranging Cats,” compared TNR to hoarding [28])—is just how emotionally charged the appeal of TNR opponents is.

Witness the “gruesome gallery of images,” for example, in which “one cat lies dead with a broken leg, one lies dying in a coat of maggots, and another suffers as ticks and ear mites plague its face.” [1] The idea, of course, is that these cats would have been better off if they’d been rounded up and killed “humanely.” A preemptive strike against the inevitability of “short, brutal lives.” (This phrase, which I first saw used by Jessup, [28] has become remarkably popular among TNR opponents.)

But is it that simple? Applying the same logic (if that’s what it is) to pelicans covered in oil, for instance, would we suggest that these birds should either be in captivity or “humanely euthanized”? Obviously not.

Divergent Perspectives on Animal Welfare
While I disagree that “the debate is predominately about whether cats should be allowed to run wild across the landscape and, if not, how to effectively and humanely manage them,” [29] I tend to agree with Lepczyk et al. when they write:

“It’s much more about human views and perceptions than science—a classic case where understanding the human dimensions of an issue is the key to mitigating the problem.” [29]

But, like Dauphine and Cooper, Lepczyk et al. seem more interested in broadcasting their message—loudly, ad nauseam—than in listening. “We need to understand whether people are even aware,” they write, “of the cumulative impact that their actions—choosing to let cats outdoors—can have on wildlife populations.” [29]

Although it’s packaged somewhat “softly,” we’re back to the same old speculative connections between predation and population impacts (familiar terrain for Lepczyk, who tried to connect these same dots in his PhD research). But how much of a connection is there, really? In their review of 61 predation studies, Mike Fitzgerald and Dennis Turner are unambiguous:

“We consider that we do not have enough information yet to attempt to estimate on average how many birds a cat kills each year. And there are few, if any studies apart from island ones that actually demonstrate that cats have reduced bird populations.” [30]

While the tone used by Lepczyk et al. is very much “we’re all in this together,” their prescription for “moving forward” suggests little common ground. (They actually cite that 2010 letter to Conservation Biology [28]—not much of an olive branch.)

“One approach is exemplified in Hawaii,” explain the authors, “where we’ve become part of a large coalition of stakeholders working together with the shared goal of reducing and eventually removing feral cats from the landscape.” [29] So, who’s involved?

“Our diverse group includes individuals from the Humane Society of the United States, the Hawaiian Humane Society, the U.S. Fish and Wildlife Service, the National Park Service, Hawaii’s Department of Land and Natural Resources, and the University of Hawaii. Our team also regularly interacts with other groups around the nation such as regional Audubon Societies and the American Bird Conservancy. Several stakeholders in the group have differing views, such as on whether or not euthanasia or culling is appropriate, or whether people should feed feral cats.” [29]

Other than the Humane Society organizations (whose position on TNR I don’t take for granted, considering they were early supporters of ABC’s Cats Indoors! campaign [31]), I don’t see a real diversity of views in this coalition.

I suppose it’s easy to make room at the table when you’re offering so few seats.

For Dauphine, though, any such collaboration approaches treason. Or selling out, at least.

“In some cases,” she explains, “conservation groups accept funding to join in efforts promoting TNR. The New Jersey Audubon Society, for example, had previously rejected TNR but began supporting it in 2005, acknowledging funding from the Frankenberg and Dodge Foundations for collaboration with TNR groups.” [24]

Dauphine doesn’t go into detail about the amount of funding, and it’s not clear what, if any, role it played in the decision by NJAS (which took in $6.8 million in 2008) to participate in the New Jersey Feral Cat-Wildlife Coalition—the kind of collaborative effort that should be encouraged, not derided:

“From 2002 to 2005, NJAS had actively opposed the practice of TNR in New Jersey. Despite this opposition, municipalities continued to adopt TNR ordinances. In 2005, NJAS, American Bird Conservancy, Neighborhood Cats and Burlington Feral Cat Initiative began exploratory dialogue about implementing standards to protect rare wildlife vulnerable to cat predation in towns which have already adopted TNR programs.” [32]

Message Received, Loud and Clear
Rather than wringing their hands over how to “better communicate the science” [1] or how to better facilitate “legal or policy changes, incentives, and increased education,” [29] TNR opponents might want to reconsider the message itself.

What they are proposing is the killing—on an unprecedented scale—of this country’s most popular pet.

I don’t imagine this tests well with focus groups and donors, of course, but there it is.

These people seem perplexed by a community’s willingness to adopt TNR (“In the end,” lament Lepczyk et al., referring to the decision in Athens, GA, “the professional opinion of wildlife biologists counted no more than that of any other citizen, a major reason for the defeat.” [29]) but fail to recognize how profoundly unpalatable their alternative is.

And, unworkable, too.

Which may explain why it’s virtually impossible to get them to discuss their “plan” in any detail. (I was unsuccessful, for example, in pinning down Travis Longcore during our back-and-forth on the Audubon magazine’s blog and couldn’t get Jessup or Hutchins to bite when I asked the same question during an online discussion of public health risks.)

In light of what’s involved with “successful” eradication programs, I’m not surprised by their eagerness to change the subject.

  • On Marion Island, it took 19 years to eradicate something like 2,200 cats—using disease (feline distemper), poisoning, intensive hunting and trapping, and dogs. This on an island that’s only 115 square miles in total area, barren, and uninhabited. [33, 34] The cost, I’m sure, was astronomical.
  • On the sparsely populated (fewer than 1,000, according to Wikipedia) Ascension Island (less than 34 total square miles), a 2003 eradication effort cost nearly $950,000 (adjusted to 2009 dollars). [35]
  • A 2000 effort on Tuhua (essentially uninhabited, and just 4.9 square miles) ran $78,591 (again, adjusted to 2009 dollars). [35]
  • Efforts on Macquarie Island (also small—47.3 square miles—and essentially uninhabited) proved particularly costly: $2.7 million in U.S. (2009) dollars. And still counting. The resulting rebound in rabbit and rodent numbers prompted “Federal and State governments in Australia [to commit] AU$24 million for an integrated rabbit, rat and mouse eradication programme.” [36] (To put this into context, Macquarie Island is about one-third the size of the Florida Keys.)

These examples represent, in many ways, low-hanging fruit. By contrast, “the presence of non-target species and the need to safely mitigate for possible harmful effects, along with substantial environmental compliance requirements raised the cost of the eradication.” [37] Eradicating rodents from Anacapa Island, “a small [1.2-square-mile] island just 80 miles from Los Angeles International Airport, cost about $2 million.” [38]

Now—setting aside the horrors involved—how exactly do TNR opponents propose to rid the U.S. of it’s millions of feral cats? [cue the sound track of crickets chirping]

I think the general public is starting to catch on. Even if they fall for the outlandish claims about predation, wildlife impacts, and all the rest—they don’t see anything in the way of a real solution. As Mark Kumpf, former president of the National Animal Control Association, put it in an interview with Animal Sheltering magazine, “the traditional methods that many communities use… are not necessarily the ones that communities are looking for today.” [39]

“Traditional” approaches to feral cat management (i.e., trap-and-kill) are, says Kumpf, akin to “bailing the ocean with a thimble.” [39]

For all their apparent interest—22 pages in the current issue of The Wildlife Professional alone—TWS might as well be handing out thimbles to its members. Although Gillin’s “Leadership Letter” invites “dialogue among all stakeholders,” it offers nothing substantive to advance the discussion:

“If removal and euthanasia of unadoptable feral cats is not acceptable to TNR proponents, then they need to offer the conservation community a logical, science-based proposal that will solve the problem of this invasive species and its effect on wildlife and the environment.” [2]

So much for leadership.

Literature Cited
1. Dauphine, N. and Cooper, R.J., “Pick One: Outdoor Cats or Conservation.” The Wildlife Professional. 2011. 5(1): p. 50–56.

2. Gillin, C., “The Cat Conundrum.” The Wildlife Professional. 2011. 5(1): p. 10, 12.

3. APPA, 2009–2010 APPA National Pet Owners Survey. 2009, American Pet Products Association: Greenwich, CT. http://www.americanpetproducts.org/pubs_survey.asp

4. Lord, L.K., “Attitudes toward and perceptions of free-roaming cats among individuals living in Ohio.” Journal of the American Veterinary Medical Association. 2008. 232(8): p. 1159-1167. http://www.avma.org/avmacollections/feral_cats/javma_232_8_1159.pdf

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6. van Heezik, Y., “A New Zealand Perspective.” The Wildlife Professional. 2011. 5(1): p. 70.

7. Sims, V., et al., “Avian assemblage structure and domestic cat densities in urban environments.” Diversity and Distributions. 2008. 14(2): p. 387–399. http://dx.doi.org/10.1111/j.1472-4642.2007.00444.x

8. Wilson, M. (1997). Cats Roaming Free Take a Toll on Songbirds. Boston Globe, p. 11.

9. Seppa, N. (1993, July 22). Millions of Songbirds, Rabbits Disappearing. Wisconsin State Journal, p. 1A.

10.  Wozniak, M.D. (1993, August 3). Feline felons: Barn cats are just murder on songbirds. The Milwaukee Journal, p. A1.

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13. Castillo, D. and Clarke, A.L., “Trap/Neuter/Release Methods Ineffective in Controlling Domestic Cat “Colonies” on Public Lands.” Natural Areas Journal. 2003. 23: p. 247–253.

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