What It’s Like to Be a Bird: A Review of the New Sibley Book
10,000 Birds
JULY 7, 2020
copyright @2020 by David A llen Sibley. copyright @2020 by David A llen Sibley. The longer Introduction lists and briefly summarizes topics covered in the Portfolio (evolution feathers, coloration, variation, senses, movement, physiology, migration, food and foraging, survival, social behavior, birds and humans, threats).
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