334, BIRDS OF THE ROCKIES 



540a. Western vesper sparrow. POOC^ETES GRAMINEUS 

 CONFINIS. Abundant summer resident ; breeds from plains 

 to 12,000 feet. 



542b. Western savanna sparrow. AMMODRAMUS SAND- 

 WICHENSIS ALAUDINUS. Common summer resident; breeds 

 from base of foothills to almost 12,000 feet. 



545. Baird's sparrow. AMMODRAMUS BAIRDII. Migrant ; 

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

 west. 



546a. Western grasshopper sparrow. AMMODRAMUS 

 SAVANNARUM FERPALLiDus. Not uncommon 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 parks 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- 



