

BIRD-STUDY 105 



XX Birds smaller than robin, not rising with 

 whirr; sparrows and finches 

 Y A cream buff band across a white 



breast Lincoln's Sparrow 



YY No cream buff band on breast 



a Crown olive green . Henslow's Sparrow 



aa Crown not olive green 



o Crown striped (not streaked) 

 with white 

 x Throat with white spot 



under chin White-throated Sparrow 



xx Throat without white 



spot 



y Crown and face striped 

 brown and white; outer 

 tail feathers white Lark Sparrow 



yy Crown striped black 



and white White-crowned Sparrow 



oo Crown black or blackish, 

 possibly faintly striped 

 x Throat black 



y Broad white line from 



bill back over eye Lapland Longspur 



yy No white line over eye Harris' Sparrow 

 xx Throat not black 



y Breast black Chestnut-collared Longspur 

 yy Breast not black 



z Orange mark be- 

 fore eye; bend of 



wing yellow Grasshopper Sparrow 

 zz No mark before 

 eye; bend of wing 



not yellow Leconte's Sparrow 



ooo Crown not black or striped 

 x Throat black 



y Crown red, male with 



rosy breast Redpoll 



yy Crown gray English Sparrow 



xx Throat not black 



y Under parts not 

 streaked 

 z Wing bar black, 



back very dark Swamp Sparrow 



zz Wing bars white or 

 gray 



