334> BIRDS OF THE ROCKIES 



540a. Western vesper sparro-w. Pooc.etes gramineus 

 coNFiNis. Abundant siininier resident ; breeds from plains 

 to 12,000 feet. 



542b. Western savanna sparrow. Ammodramus sand- 

 WICHENSI9 alaudinus. Conimon summer resident; breeds 

 from base of foothills to almost 12,000 feet. 



54!5. Baird's sparrow. Ammodramus bairdii. Migrant ; 

 not common ; a number taken east of the range, and one 

 west. 



54f6a.. Western grasshopper sparrow. Ammodramus 

 SAVANNARUM PERPALLiDUs. Not uncomnion Summer resi- 

 dent ; breeds on plains and in lower foothills. 



552a. Western lark sparrow. Chondestes grammacus 

 STRiGATUs. Common summer resident ; breeds on plains 

 and in mountain jiarks to 10,000 feet. 



553. Harris's sparrow. Zonotrichia querula. Rare 

 migrant ; abundant migrant in Kansas. 



554. White-crowned sparrow. Zonotrichia leuco- 

 PHRYS. Abundant summer resident. 



554a. Intermediate sparrow. Zonotrichia leucophrys 

 gambelii. Common migrant, both east and west of the 

 range ; breeds north of the United States. 



557. Golden-crowned sparrow. Zonotrichia coronata. 

 Accidental winter visitor ; Pacific Coast species ; breeds in 

 Alaska. 



558. White-throated sparrow. Zonotrichia albicollis. 

 Rare migrant ; but three records. 



559a. Western tree sparrow. Spizella monticola 



ochracea. Common winter resident ; mostly on plains 

 and in lower mountains. 



560. Chipping sparrow. Spizella socialis. Rare sum- 



