Herons 



194. Great Blue HdPOi. (Ardea bsrodias). L. 45; 

 W. 18,5; B. 5 5; Tar. 7. Ads. Centerof crown white, 

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

 crest, crown wholly black, plumage more streaked. 



RiinEe-.Nnrthern South America north to Arctic regions: breeds 

 locally Ihmuglioiii mnsr of Norlii AnierUa range; winters from about 

 latitude 47" aouthward. 



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

 Similar to No. 194 but much darker; upperparts bluish 

 slate black; tarsus shorter, 5.J. 



Range. — Pacific coasl from Vancouver to Sitka. 



194b. Ward Heron (.^. k. wardi). Similar to No. 

 i()4 but whiter below, neck darker; legs olive; larger, 

 L. S2;W. 2o;B. 6.s;Tar. 8. 



Range.— Florida; coast of Texas. 



202. Black-crowned Night Heron {Nysttcora-x nyc- 

 ticorax ftarvius.) L. 24. ^ds. Crown and back green- 

 ish black lower back, wingsand tail ashy; head with two 

 or three rounded white plumes, except just after breed- 

 ing season. Yng. Cir.iyisli brown streaked with 

 whte; beiow while streaked with blackish; outer webs 

 of primaries, pah rufous. Notes. An explosive qilawk. 



Range.— Western tiemlsphere; breeds In Norlh America north (o 

 New BrunsBflcl:, Quebec, Manitoba, and Oregon; winters from Cal- 

 tfomia and Gulf Stales southward. 



203, Yellow-crowned Night Heron {Nydanassa. 

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

 coverts whitish, rest of head black; scapubrs streaked 

 with black;head with two orthree rounded,white plumes, 

 except just after nesting season. Yng. Crown hlack, 

 streaked with whitish; primaries bluish slaU, no ru/om; 

 back browiiibii ilreaked with white; below whitish 

 Streaked with blackish. 



Range.— Tropical and subtropical America; breeds north to South 

 C«rollna, southern Illinois, and Lower California; strays to Massa- 

 chusetts and Colorado; winters from Gulf States southward. 



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