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Flights of Passage: a book review

10,000 Birds

A simple, useful world map in outline shows approximate breeding ranges in yellow and wintering ranges in blue, and for some birds, permanent resident ranges in green.

Alaska 201
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The five most unique birds in the world

10,000 Birds

While the ranking is limited by our current knowledge of the fossil record and the state of genetic sequencing techniques, it certainly spotlights some fascinating and enigmatic global treasures with unique physiologies and lifestyles. Secretarybird ( Sagittarius serpentarius ) in Kenya by David J.