58 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



FAMILY FREGATID^. 



Man-of-war Birds. Frigate Birds. 



Bill, hooked at tip; lores, feathered; upper plumage, entirely black; 

 toes, four, all connected by webs; tail, forked; wings, very long. 



* Group 1. Wing, over 21 inches long. 



\ 



X \ 



v^.fl. 



Entire i)liiiiiair(', l)liick (ddnU^ male) ; general plumage, black; belly, wbite {fi-male) ; head 

 and neck, whitisli; belly, white; rest of plumage, black {immature). 



Fret/ata aquUa. Man=of-war Bird. 



See No. 85. 



* For directions for measurement, see page 9. 



