Amazing Birds
June 2006
Eldon Greij
Eldon Greij is a biologist and a lifelong educator and the Founding Editor of Birder's World (now BirdWatching). His popular column "Amazing Birds" appears in every issue of the magazine.

Read more about Eldon Greij
Birds learn their beautiful songs by matching adult songs stored earlier in their brains
By Eldon Greij
Published: May 1, 2006
Free Twice-Monthly Newsletter
See great photos of birds, get birdwatching tips, learn about birding events, and more!