92 



KEY TO THE 15IRDS OF EASTERN NORTH AMERICA. 



Geueral pluniauc, tawny brown, nioUled iiiul streaked with dark 1ii-<nvii ; upiKM- surface of 

 primaries, blackish. Botmmts leMtif/inosits. American Bittern. 



See Xo. 145. 



Bill, lar2:e: top of head, black; back, 

 irrecn (adult). 



XyrHroni.i- uiiclicnrnx wtrniK. 



Night Heron. 



Se(> No. L")',). 



liill, laru:e ; top of head, white or whit= 



ish ; back, not ,c:reeu (adult). 

 NyrlicordX riithiccii^. 



Yellow=crowned Night Heron. 



See Xo. 160. 



Bill, laro-e; general plumage, mottled, 

 and streaked brown and white ; outer edge 

 of primaries, reddish brown (immature). 

 Niictiruraj- luictirorax naTius. 



Night Heron. 

 See Xo. l.")fl. 



Bill, large; general plumage, mottled 

 and streaked brown and white ; primaries, 

 slaty l)rown (immature). 

 Xyrticitrnx violaceus. 



YeHow=crowned Night Heron. 

 See Xo. 1(>0. 



Niglit Jlerou. 



