Pecking Order

Pecking Order

Bird beaks are more than nature's ingenious designs. They're wonders of evolution, barometers of how species react to--and sometimes even instigate--changes in their environment. 


By Peter Friederici
Published: January-February 2011
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Author Profile

Peter Friederici

Frequent Audubon contributor Peter Friederici teaches journalism at Northern Arizona University.

Type: Author | From: Audubon Magazine