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
Adults huve pale yellow to pale greenish yellm,y cert's. [d] ADULT. Gray cheeks and narrow white lhroats arc noticeable. i\clany adults huve unmarked white underparts. Underwillgs 1IsIIa/ly ap pear tll'o-t(med: darh primaries contrast with w/zite coverts alltl paler seeo/It/aries. Note white bases on outer two or three pri maries. IVhite tail has wide hlach sublermi/u'/ hand. tel SUBADULT (BASIC II). Similar to adult but head. neck. and hack arc blackish ; belly, Ilanks, and leg ('cal hers h;lve nurrow dark barring: and uppertail uften appears somcwhLlt oil-white to pale gray.
C ere is dull yellow. [el ADULT. Body is e nLire ly bl ac k. and und crwin gs arc two-Loned . andi'llg on the aliter primarin unci wide hlack terminal hand . Black und e rtail s hows one wid,· w hiL e hand and , when spread , o n e o r m ore narrower whit e hamk [dl TAIL CUTOUT. Fo ld e d undcrt,lil shows on Iv onl' whiL e band. [el TAIL CIU TOUT. Sp read undertai l ca n she;w up to fo ur or fi ve narro" bands (female o nl v). [I) JUVENILE. ' lack wide dark ter min a l ba nd , a nd und ertail is pale with narro\\ dusky b Palest adults with gray faces. orll/'lge-l'IIjims 10 rufous "rellSIs (forming dark bib ). amI unmarked or lightlv marked whitish bellies arc almost alwa ys maiC's, ;\ lote rufous on nape. Light-morph adults have white foreheads and throats . [b] lIGHT'MOR,PH ADULT, Darker adults \\'ith brown faces. '1l breasls. and spolll·d bellies can 'be either male or I'cmale but me more orten the latter. This is a vA field guide to hawks, North America by William S Clark; Brian K Wheeler; National Audubon Society.; National Wildlife Federation
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