Roger J LedererRoger J. Lederer is professor emeritus of biological sciences at California State University, Chico, where he taught courses on ornithology and ecology. He is the author of Beaks, Bones, and Bird Songs: How the Struggle for Survival Has Shaed Birds and Their Behavior; coauthor of Latin for Bird Lovers; and creator of Ornithology.com. Read More Read Less
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