Do Denver’s lit buildings kill birds? Nobody knows, so volunteers have begun to count. – Denverite, the Denver site!

A recent study showed bird populations in the U.S. and Canada have dropped by almost 30 percent in the last 50 years. One reason may be collisions with buildings, but it’s not yet clear how big a

Source: Do Denver’s lit buildings kill birds? Nobody knows, so volunteers have begun to count. – Denverite, the Denver site!