Willet, Western . 83 
Woodpecker, Alaska Three-toed. . . 131 
Woodpecker, Alpine Three-toed. . . 131 
Woodpecker, American Three-toed 131 
Woodpecker, Arctic Three-toed. . . 131 
Woodpecker, Arizona . 130 
Woodpecker, Cabanis . 128 
Woodpecker, California . 134 
Woodpecker, Gairdner . 128 
Woodpecker, Gila . 135 
Woodpecker, Gilded . 136 
Woodpecker, Harris . 128 
Woodpecker, Lewis . 135 
Woodpecker, Northern Pileated. . . 133 
Woodpecker, Nuttall . 129 
Woodpecker, Red-bellied . 135 
Woodpecker, Red-headed . 134 
Woodpecker, Red-shafted . 136 
Woodpecker, Rocky Mountain Hairy 128 
Woodpecker, Texas . 129 
Woodpecker, White-headed . 130 
Wren, Alaskan . 225 
Wren, Aleutian . 225 
Wren, Cactus . 222 
Wren, Canon. 223 
Wren, Rock . 222 
Wren, Tule . 225 
Wren, Vigor . 223 
Wren, Western House . 224 
Wren, Western Winter . 224 
Wren-Tit . 232 
Yellow-legs, Greater . 82 
