Can't tell the difference between a mistle thrush and a chaffinch, a parakeet and a pigeon? A mobile app is in the works that can identify bird songs.
Alexandra Gibbs, NBC News
Fri, 10/31/2014 - 7:30am
Can't tell the difference between a mistle thrush and a chaffinch, a parakeet and a pigeon? A mobile app is in the works that can identify bird songs.