Vulture dads take in abandoned egg, raise chick as their own in Amsterdam
June 1, 2017, 11:34 a.m. by Noel Kirkpatrick
The two vultures took turns sitting on the egg until it hatched.
Young cowbirds don't know they're really cowbirds until they hear this special song
May 17, 2017, 7:05 a.m. by Jaymi Heimbuch
These songbirds need a vocal clue to unlock their true identity.
Rare western snowy plovers nesting in Los Angeles after 70-year absence
May 14, 2017, 9:40 a.m. by Jaymi Heimbuch
These tiny shorebirds suffered severe population declines, but this nesting season offers hope for the species in southern California.