SciShow
The Scary American Bat Die-Off (2013x121)
: 08, 2013
In North America, bats are in mortal danger, and the poor little guys can't even activate their own Bat-Signal to call for help. A terrible infection is ravaging their populations, and it's as serious as a heart attack. Hank has the details about what's killing our favorite flying mammals, and what you can do to help.