PERCHING BIRDS 



474g. Streaked Houned Lark. Ontocoris alpestris strigata. 



Range. — Northwestern United States (Washington, Oregon and northern Cali- 

 fornia). 



Similar to the last, but with the back broadly streaked with black, the ruddy 

 less intense and the unrierparts tinged with yellowish. 



474h. Scorched Horned Lark. Otacoris alpenfri.t adusta. 



Range. — Western Mexico, north in summer to southern Arizona. 



This variety has the back and nape nearly a uniform pinkish ruddy with but 

 little streaking. 



4741. Dusky Horned Lark. Otocoris alpestris merrilU. 



Range. — Northwestern United States and southern British Columbia, 

 ing south to central California. 



Similar to prntirola but slightly darker above. 



winter- 



474J. SoNORA Horned Lark. Otororin alpestris palU'da. 

 Range. — Gulf coast of northern Lower California. 

 The upperparts of this variety are very pale pinkish brown. 



474k. Hoyt's Horned Lark. Ofocoris alpestris lioyti. 



Range. — Interior of British America, west of Hudson Bay and east of Alaska, 

 south in winter in tlie interior of the United States to Kansas. 



Much larger than the last; equal in size and similar to nrtir-ola but with the 

 throat yellowish and the upperparts darker and brighter. 



474L Montezuma Horned Lark. Otncoris alpestris occidentalis. 



Range. — Western New Mexico and eastern Arizona, south in winter to north- 

 ern Mexico. 



This variety has the upperparts pale brownish and not streaked; throat and 

 forehead yellowish. 



474m. Lsland Horned Lark. Otocoris alpestris insularis. 



Range. — Santa Barbara Islands, California. 



Similar to strigata but darker. With the exception of the three large varie- 

 ties of Horned Larks found north of our borders, neither the eggs nor, in most 

 cases, the birds can be identified without the precise location where they were 

 taken. 



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