Field Sparrow 



Spizella pusilla 



Vesper Sparrow 



Pooecetes gramineus 



Lark Sparrow 



Chondestes grammacus 



Black-throated Sparrow 



Amphispiza bilineata 



LL 25; May 21, 1975; Missoula 



n=2 



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t - - - 



94 



