951 



Ordi-r 2. MACROCHIRES. Goatsuckers. Swifts, Hummingbirds. 

 Family i. TrochilidaE. Hummingbirds. 



I. Middle tail foatliers broader near end than at base. i55- Calliope liummingbird. 



II. Middle tail feathers narrower near end than at base. 



A. Outer tail feathers not decidedl\ shorter than middle pair. 152. Black^chlnned Hummingbird. 



B. Outer tail feathers decidedly shorter than middle pair. 



1. Back reddish brown. 



2. Back green. 



family 2. 



I. Wing without a white patch. 



II. Wing with a white patch. 



A. Coloration darker. 



B. Coloration lighter. 



153. Rufous Hummingbird. 



154. Allen's Hummingbird. 



Capri MULGiD.^fi. Goatsuckers. 



156. Poor=will. 



157. Pacific Nighthawk. 



158. Western Nighthawk. 



MlCR(.)POUlD.-\E. 



Family 3 



I. Tail feathers ending in spines. 



II. Tail feathers without spines. 



A. Underparts without white. 



B. Underparts with white. 



Order 3. I'ICI. Woodpeckers. 

 Family. Piciuae. Woodpeckers. 



I. With only 3 toes. 



A. Back black without white. 



B. Back black with white. 

 I. Back distinctly barred. Smaller, 



Swifts. 



160. Vaux's Swift. 



159. Black Swift. 



i6i. White=throated Swift. 



169. Arctic Three=toed Woodpecker. 



2. Back indistinctly or not barred. 

 II. With 4 toes. 



A. Length about 17 inches. Head crested. 



B. Length over 10 under 14 inches. 



1. Belly red, back black. 



2. Belly not red, back not black. 



a. Lining of wings and tail yellow. 



b. Lining of wings 2nd tail red. 

 (i). General coloration lighter. 

 (2). General coloration darker. 



C. Length imder 10 inches, over 8 inches. 



1. Whole head white. 



2. Whole head red or reddish. 



a. Colors duller. 



b. Colors brighter and deeper. 



3. Red ,of head restricted to crown, throat and nape. 



4. Crown black or brownish. 



a. Lhiderparts with bright yellow, 



b. Underparts without yellow. 



(i). Middle of back barred and spotted with black, 

 (2). Middle of back white, unmarked, 

 (a), Lhiderparts white. 



(b). Lhiderparts dirty white, 

 (c). Underparts dirty brownish. 



D. Length under 7 inches. 



1. L^nderparts smoky gray. 



2. LThderparts alm.ost white. 



3. Underparts pure white, largei. 



1 70. Alaskan Three = toed Wood- 



pecker. 

 B. C. 9. Alpine Three = toed Wood- 

 pecker. 



175. Northern Pileated Woodpecker. 



176. Lewis's Woodpecker. 



177. Yellow«shafted Flicker. 



178. Red-shafted Flicker. 



179. Northwest Flicker. 



168. White-headed Woodpecker. 



172. Red-breasted Sapsucker. 



173. Northwest Sapsucker. 



171. Red-naped Sapsucker. 



174. Williamson's Sapsucker. 



B. C. 8. u e e n Charlotte Wood- 

 pecker. 



162. Rocky Mountain Hairy Wood- 



pecker. 



163. Cabanis's Woodpecker. 



164. Harris's Woodpecker. 



167. Qairdner's Woodpecker. 



165. Downy Woodpecker. 



166. Batchelder's Woodpecker. 



