Cliff swallows (Petrochelidon pyrrhonata) in Cayucos, CA. Photo courtesy of Wikimedia Commons and Marlin Harms.
Swallows evolve shorter wings to avoid cars, study suggests.
Over the past few years, I’ve grown increasingly skeptical of such headlines. Still, sometimes the research really does live up to the media hype. This would seem to be the case here, in [...]