BIRD-STUDY 



Pine Warbler 



Bell's Vireo 







oo No green-yellow patch mid- 

 dle of back 

 x White spots outer edges 



of tail Blue-winged Warbler 



xx No white spots on tail 

 y No eye ring 

 yy With eye ring 

 z Eye ring white 

 zz Eye ring yellow 

 J Throat and 

 breast bright 

 yellow, rump 



gray Yellow-throated Vireo 



It Throat and 

 breast green- 

 ish yellow; 

 rump olive 

 green 



a Without wing bars 

 o No spots on tail 



x A white line over the 



eye 



xx No line over eye 

 oo White spots on outer tips of 



tail Hooded Warbler, female 



OO Under parts marked with spots or streaks 

 X Whole throat black, crown black and 



sides of neck Hooded Warbler, male 



XX Throat or breast marked by a single 

 large black spot or blotch 

 Y Spot crescentic, bird as large as a 



robin 



YY Spot a blotch, bird smaller than a 

 robin 



a In addition a black comma run- 

 ning from bill back under eye; 

 horns 

 aa A yellow line running back from 



bill past eye 



XXX Throat or breast yellow marked by a 

 necklace of black spots 

 Y With wing bars and a yellow spot on 



wing 



YY No wing bars, no yellow spot on the 

 wings 



White-eyed Vireo 



Philadelphia Vireo 

 Nashville Warbler 



Meadow Lark 



Horned Lark 



Dickcissel 



Magnolia Warbler 



Canadian Warbler 



