DARTERS — CORMORANTS 39 



coverts without lig-ht-colored patch, but rump with gray or whitish patch 

 on side. Wing: 5.80-(J.p8, tail 8.07-8.42, forked for .71 -.92, bill .58-.65. 



Distribution. — From islands of western coast of Mexico north to San 

 Diego, California. 



ORDER STEGANOPODES : TOTIPALMATE 



SWIMMERS. 



(Families Anhingid^, PHALACRocoRAciDiE, Pelecaxid.i^., 

 Fregatid.^, etc.) 



FAMILY ANHINGIDiE: DARTERS. 



GENUS ANHINGA. 



118. Anhinga anhinga {Linn.). Anhinga. Water Turkey. 



Bill straight and sharp ; form extremely slender, tail long and rigid, 

 without upper coverts. Adult male in breeding plumage : glossy greenish 

 black ; back of head and .sides of neck Avitli long white or grayish filaments, 

 and back of neck with black hair-like mane ; shoulders and base of wings 

 finely spotted with gray, wing crossed with wide gray band ; back striped 

 with pearl gray ; tail tipped with brownish. .Idult male in winter : head and 

 neck without elongated filaments. Adult female in breeding plumage : 

 similar to male but head and neck brown, throat and breast huffy. Young : 

 lower back. tail, and quills black ; head and rest of body brown except for 

 buffy or whitish throat and breast, and gray streaking on wing coverts. 

 Length : 82.25-;]6.00, wing about 14, tail 11, bill ;].2.'>. 



Distribution. — From tropical America north in Lower Sonoran zone to 

 South Carolina, southern Illinois, Texas, western Mexico, and casually to 

 Kansas, 



FAMILY PHALACROCORACIDiE : CORMORANTS 



GENUS PHALACROCORAX. 



General Characters. — Bill slender and abruptly hooked at tip ; mouth 

 opening back under eye ; skin around eye and at base of lower mandible 

 naked ; head smooth or variously crested. 



KEY TO SPECIES. 



1. Tail of 14 feathers, head never crested . . . . penicillatiiB, p. 41. 

 1'. Tail of 12 feathers, he.ad with or witbout crest. 

 2. Flanks without white patch. 



;>. Size large, wing over 11, a sh'nder crest over each eye in breeding 

 plumage. 



4. Crests entirely black dilophus. p. U). 



4'. Crests mainly white. 



5. Larger, wing l.'J or mori'. lirceds in Alaska. 



cincinatus, p. -10. 

 5'. Smaller, wing l.'l or less. Breeds in Oregon and Cilit'oniia. 



albociliatus. p. 40. 

 3'. Size small, wing under 10..")(), head without crests. 



mezicaiiuB. p. 41. 



