43 



Not as above, 



Black-poll Warbler. 



cc. Bill broad, flattened ; bristles at base reaching far 



beyond nostrils. 



d. Black, white and flame-red, or brown, white and 



yellow, Redstart. 



dd. Not as above. 



Olive-green and yellow, Wilson's Warbler. 

 Ashy and yellow, Canadian Warbler. 



Section II. Tarsus booted. 



Length 5 inches or less. 



Crown with a patch of orange or yellow, 



Golden-crowned Kinglet. 

 Crown with a patch of ruby red or none. 



Ruby-crowned Kinglet. 

 Length 7 inches or more. 



A. Breast white more or less tinged with buft" and often 



spotted 

 a. Tail same color as back. 



Upper parts cinnamon-brown, Wilson's Thrush. 



Upper parts olive, Olive-backed Thrush. 



aa. Tail different from back. 



Tail brownish olive. Wood Thrush. 



Tail bright rufous, Hermit Thrush. 



B. Breast not as above. 



Back bright blue, Blue Bird. 



No blue, Robin, 



