Wyoming Birds. 91 



in August, 1911, fifteen of them were encountered feeding 

 on a dead elk. 

 488b. Western Crow. Rather rare. Two seen at Lander, Septem- 

 ber, 1910. 



491. Clarke's Nutcracker. Abundant everywhere in the spruce for- 



ests. On the mountains. 



492. Pinon Jay. Inhabits the juniper zone below the same forest. 



494. Bobolink. A single individual seen near Afton in July, 1910. 



495. Cowbird. Fairly common in the cultivated valleys near Afton. 



497. Yellow-headed Blackbird. A large flock seen in the marshes 



north of Afton, but none elsewhere. 



498. Red-winged Blackbird. Practically the same distribution as 



the 'cowbird. 



501-1. Western Meadowlark. Common about the ranches. 



508. Bullock's Oriole. Rare. One seen near Afton. 



510. Brewer's Blackbird. One of the most abundant birds around 

 the ranches. 



515a. Rocky Mountain Pine Grosbeak. As this is a shy, quiet bird, 

 it is easily overlooked. Its home is in the upper part of the 

 spruce forest on the mountains between 9,000 and 10,000 

 feet. 



518. Cassin's Purple Finch. Apparently frequents the lower edge 

 of the timber belt in the mountains. 



524. Gray-crowned Rosy Finch. In summer it i_s common around 

 the high peaks. Early. in September they collect in flocks 

 and descend into the valleys. 



529a. Pale Goldfinch. Apparently tolerably common near settle- 

 ments. 



533. Pine Siskin. Common in the spruce forests. 



540a. Western Vesper Sparrow. Inhabits the open country. Abund- 

 ant where there is sage brush and aspen. 



546a. Western Grasshopper Sparrow. (?) Rare. A sharp- tailed 

 finch apparently of this species seen in the hay meadows 

 near Afton and Jackson. 



554. White-crowned Sparrow. The most characteristic bird of the 

 open glades in the forests. 



560a. Western Chipping Sparrow. Not very common. 



561. Clay-colored Sparrow. ( ?) Abundant on the sage-covered 

 plain. 



