Herons. 



194. Great Blue Heron {Ardea herodias). 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. 



194a. Northwest Coast Heron {A. b. fannini). 



Similar to No. 194 but much darker; upperparts bluish 

 slate black; tarsus shorter, 5.3. 



Range. — Pacific coast from Vancouver to Sitka. 



194b. 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 (Nycticorax nyc- 

 ticorax ncevius.) 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; beiow white streaked with blackish; outer webs 

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



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 



violaceus). L. 23. Ads. Blue-gray; crown and ear- 

 coverts whitish, rest of head black; scapulars streaked 

 with black;head with two orthree 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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