October 4, 2013 — On autumn and spring evenings, hundreds of thousands, sometimes millions of birds migrate across North America. Cutting-edge recording devices are capturing the tiny chips and chirps these birds make while in flight, helping conservationists plot a pro
November 5, 2012 — They vomit all over the place, urinate on themselves to cool off, and feed on the dead. Though disgusting and even frightening to some suburbanites, vultures do some essential cleaning up around the neighborhood. Without them, things might be smellier.