Homeowners vs. Birds: the Depressing Probability of Window Collisions

Erin Bayne got to thinking about how often birds collide with windows because, at his own home in suburban Edmonton, they seemed to be doing it regularly. Bayne is a wildlife ecologist at the University of Alberta, where he studies human impacts on biodiversity. And he’d frequently heard theories on this subject in his work with Canadian industries.

“One of the comments I often got from industry was ‘cats and windows kill way more birds than I ever do, so why don’t you leave me alone?’” he says. “There’s a general perception.”