Elphick (The World of Birds), a wildlife writer, lecturer, and broadcaster who specializes in ornithology, effectively communicates his lifelong fascination with birds in this detailed guide. He ...
Flying is really hard work. Compared to walking, swimming, or running, flying is the form of movement that takes the most ...
Chapter 1: Scope of This Book -- Chapter 2: Anatomic Form and Function -- Terms of Orientation and Direction -- The Feathers of the Wing -- Aerodynamics and Their Clinical Implications -- Clinical ...
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