Terns and Skimmer. 
75. Sooty Tern (Sterna fuliginosa). L. 17. Ads., 
summer. Above black, forehead and underparts white; 
tail black, except outer feathers which are mostly 
white. Yng. Sooty slate; linings of wings white; 
scapulars, upper tail coverts, and tail feathers tipped 
with white. Notes. A squeaky guack, a nasal ker- 
wacky-wak, and other calls. 
Range.—'Tropical and subtropical coasts of the globe. In Amer- 
ica from Chili to western Mexico and the Carolinas, and casually to 
New England.’’ (A. O. U.) 
% 77. Black Tern (Hydrochelidon nigra surinamensis). 
L. 10. Ads., summer. Head and underparts black; 
back, wings, and tail slate. Ads., winter. Forehead, 
nape, and underparts white, head gray. Yung. Simi- 
lar to last, but above with brownish margin. Notes. 
A sharp peek. 
Range.—Temperate and tropical America; breeds in Interior from 
California, Kansas, and Illinois to Alaska; irregular migrant on Atlan- 
tic coast from New Brunswick southward; winters south of United 
States to Chili. 
79. Noddy (Anxous stolidus). L.15. Ads. Crown 
silvery white; rest of plumage sooty brown, Yng. Sim- 
ilar, but all Sooty brown except white line from bill to 
eye. Note, A low reedy cack increasing to a hoars:, 
guttural h-y-p.y-r-7-7-7. 
Range, —Tropical and subtropical regions; In America from Brazil 
and Chili north to the Gulf and South Atlantic States."’ (A. O. U.) 
t 80. Black Skimmer (Ryxchops nigra), L.18. Ads. . 
Lower mandible longer than upper; forehead, under- 
parts, part of secondaries, and tail white; rest of plum- 
age black. Yung. Plumage widely margined with 
buffy. Notes. Varied, nasal, penny-trumpet-like; 
also ca-you, ca-you, like a hound’s voice. 
Range.—North America, chiefly eastern; breeds from southern 
New Jersey southward; wanders rarely to Nova Scotia; winters from 
Gulf States to northern South America, 
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