Download e-book for iPad: A field guide to hawks, North America by William S Clark; Brian K Wheeler; National Audubon Society.;

By William S Clark; Brian K Wheeler; National Audubon Society.; National Wildlife Federation

ISBN-10: 0395360013

ISBN-13: 9780395360019

ISBN-10: 0395441129

ISBN-13: 9780395441121

ISBN-10: 0395936152

ISBN-13: 9780395936153

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Additional info for A field guide to hawks, North America

Example text

Vingtips offlring Iwwhs are I·ela­ lively poiNted for tI buteo. \Vingtips of hawks reach three-quarters of way down tail. [a] ADULT, LIGHT MORPH. I lead , back, and wing coverts are unmarked dark brown. \Vhite underparts have a variable amount of rufous­ brown barring. am/. Note short legs. [b] ADUtT, LIGHT MORPH. Some adults show dark bibs. This variant shows no mMkings on underlail coverts. Adults have medium brown eves . [c] ADULT, DARK MORPH. Overall dark brown. Tail as in light-morph adult.

G) WESTERN lIGHT·MORPH ADULT. S irnil

K] ADULT fEMALE OR JUVENILE SUCKLfY/ .

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A field guide to hawks, North America by William S Clark; Brian K Wheeler; National Audubon Society.; National Wildlife Federation


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