194 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
Crown, red; throat, red (male); crown, red; throat, white (female) ; belly, 
tinged with yellow; two middle tail feathers, heavily marked with white on 
the inner webs; a patch of black on the breast, varying in size, according 
to age and season. 
Yellow=-bellied Woodpecker. 
Sphyrapicus varius (adult). 
See No. 330. 
Red-bellied Woodpecker. 
Crown, red (male); crown, ashy gray, nape, red (female); throat and under= 
parts, pale ash gray, the belly tinged with red or buff, according to season, 
Red-bellied Woodpecker. 
Melanerpes carolinus. 
See No. 333. 
Rump and upper tail coverts, pure white; greater part of secondaries and 
tertials, white, with black shafts (sometimes with one brown band near 
tip); entire head and throat. red (adults); immature birds have the head 
brownish gray, speckled and marked with dull black, but usually showing more 
or less red in places. 
Red-headed Woodpecker. 
Melanerpes erythrocephalus. 
See No. 332. 
