SIZE KEY 



GROUP 1— Birds smaller than the English Sparrow 

 (or apparently so). 



Black-chinned Humming- Black-throated Gray 



bird. 

 Rufous Hummingbird. 

 Allen's Hummingbird. 

 Calliope Hummingbird. 

 Redpoll. 



Willow Goldfinch. 

 Arkansas Goldfinch. 

 European Goldfinch 



(imported). 

 Pine Siskin. 



Western Chipping Sparrow, 

 Lazuli Bunting. 

 Warbling Vireo. 

 Cassin's Vireo. 

 Lutescent Warbler. 

 Yellow Warbler. 

 Myrtle Warbler. 

 Audubon's Warbler. 



Warbler. 

 Pacific Yellow-throat. 

 Pileolated Warbler. 

 Northwestern \'igors's 



Wren. 

 Parkman's Wren. 

 Western Winter Wren. 

 Tul^ Wren. 

 Sierra Creeper. 

 Slender-billed Nuthatch. 

 Red-breasted Nuthatch. 

 Oregon Chickadee. 

 Chestnut-backed 



Chickadee. 

 Coast Wren-Tit. 

 Bush-Tit. 

 Western Golden-crowned 



Kinglet. 



Ruby-crowned Kinglet. 



GROUP 2 — Birds about the size of the English 

 Sparrow (or apparently so). 

 Least Sandpiper. Western Lark Sparrow. 



Western Sandpiper. Gambel's White-crowned 



Western Wood Pewee. Sparrow. 



