Amazing Birds
December 2009
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
Dual pipesSubscriber Only Access
Why the songs of Northern Cardinals and Wood Thrushes are as amazing as they are beautiful
By Eldon Greij
Published: October 23, 2009

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