Wyoming Birds. 105 



420a. Western Nighthawk. Common summer resident. 

 425. White-throated Swift. Common summer resident. 

 432. Broad-tailed Hummingbird. Very rare summer resident. 

 444. Kingbird. Common summer resident. 

 4S7. Say's Phoebe. Common summer resident. 

 462. Western Wood Pewee. Very common in summer. 

 464. Western Flycatcher. Weston County, summer. Rare. 

 469. Wright's Flycatcher. Common summer resident. 

 474c. Desert Horned Lark. Abundant resident; commoner in mi- 

 grations. 

 475. Magpie. Abundant resident. 

 484. Canada Jay. Resident. Very common. 

 488. Western Crow. Very rare. 



491. Clarke's Nutcracker. Straggler. 



492. Pinon Jay. Resident. Common in Weston County; rare in 



Crook County. Occurs as straggler as far southwest as 



Crawford, Nebr. 

 495. Cowbird. Summer resident ; not common. 

 497. Yellow-headed Blackbird. Nests, not uncommonly, in swales 



and creek margins of Weston County. 

 498d. Thick-billed Red-wing. Common summer resident. 

 501-1. Western Meadowlark. Common summer resident. 



508. Bullock's Oriole. Common summer resident. 



509. Rusty Blackbird. Rare. Birds seen only ; record hence 



doubtful. 



510. Brewer s Blackbird. Common summer resident. 



511b. Bronzed Grackle. Common during migrations; occasionally 

 nests in Crook County. 



514. Evening Grosbeak. Common winter resident in Crook Coun- 

 ty; rare in Weston County. None of montana have been 

 found. 



518. Cassin's Purple Finch. Very rare summer resident. 



521a. Sierra Crossbill. Resident, varying in numbers from year to 

 year. 



524. Gray-crowned Rosy Finch. Common winter resident. 



524a. Hepburn's Rosy Finch. Winter resident. About one-tenth 

 as common as tephrocotis. 



528. Redpoll. Fairly common winter resident. 



529. Goldfinch. Common summer resident. 



533. Pine Siskin. Irregular transient, varying in numbers. 



