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What It’s Like to Be a Bird: A Review of the New Sibley Book

10,000 Birds

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). Is a free digital download possible?) copyright @2020 by David A llen Sibley.

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Why Do Penguins Wear Tuxedos?

10,000 Birds

Penguins are flightless, but some species locomote over long distances on antarctic ice to travel between breeding grounds and the sea. If you’d like a two page (one sheet, duplex) handout for your class, download THIS PDF FILE. They have special adaptations to stay warm and to keep their eggs and chicks warm.

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