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Bird Migration Thomas Alerstam

Bird Migration

Thomas Alerstam

Published November 17th 2004
ISBN : 9780521448222
Paperback
432 pages
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 About the Book 

Bird migration is one of the most astonishing feats in the natural world. Millions of birds migrate, often over very large distances, to benefit from seasonal resource surpluses and to avoid predators and competitors. The aim of this study is toMoreBird migration is one of the most astonishing feats in the natural world. Millions of birds migrate, often over very large distances, to benefit from seasonal resource surpluses and to avoid predators and competitors. The aim of this study is to survey the phenomena.