Herons 



194. Great Blue Herd, (Ardea berodias}. L. 45; 

 W. 18.5; B. 5.5; Tar. 7. Ads. Center of crown white, 

 head crested; legs blackish. Yng. Similar, but no 

 crest, crown wholly black, plumage more streaked. 



Range -.Northern South America north to Arctic regions; breeds 

 locally throughout most of North America range; winters from about 

 latitude 42 southward. 



I94a. Northwest Coast Heron (A. h. fanmni). 

 Similar to No. 194 but much darker; upperparts bluish 

 slate black; tarsus shorter, 5.3. 



Range. Pacific coast from Vancouver to Sitka. 



I94b. Ward Heron (A. h. wardi). Similar to No. 

 194 but whiter below, neck darker; legs olive; larger, 

 L. 52; W. 20; B. 6.5; Tar. 8. ( ,^ 



Range. Florida; coast of Texas. 



202. Black-crowned Night Heron (fyeticorax nyc- 

 ttcorax ncmius.} L. 24. Ads. Crown and back green- 

 ish black . lower back, wings and tail ashy; head with two 

 or three rounded white plumes, except just after breed- 

 ing season. Yng. Grayish brown streaked with 

 white; below white streaked with blackish; outer webs 

 of primaries, pale rufous. Notes. An explosive qtiawk. 



Range. Western hemisphere; breeds in North America north to 

 New Brunswick, Quebec, Manitoba, and Oregon; winters from Cal- 

 ifornia and Gulf States southward. 



203. Yellow-crowned Night Heron (Nyctanassa 

 oiolaceus}. L. 23. Ads. Blue-gray; crown and ear- 

 coverts whitish, rest of head black; scapulars streaked 

 with black ;head with two or three rounded,white plumes, 

 except just after nesting season. Yng. Crown black, 

 streaked with whitish; primaries bluish slate, no rufous; 

 back brownish streaked with white; below whitish 

 streaked with blackish. 



Range. Tropical and subtropical America; breeds north to South 

 Carolina, southern Illinois, and Lower California; strays to Massa- 

 chusetts and Colorado; winters from Gulf States southward. 



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