Color Key to North American Birds — Part 178

Range.--- Interior of British Columbia north to north Alaska; south in winter, through interior, to southern California.

=456. Phœbe= (_Sayornis phœbe_). L. 7. _Ads._ Above grayish olive, crown _blackish_; outer web of outer tail-feather _whitish_; below white tinged with yellow, sides of breast grayish; bill _black_. _Yng._ Greener above, yellower below. _Notes._ _Pewit-phœbe_, _pewit-phœbe_; call, _pee_, _pee_, rarely a flight song.

Range.--Eastern North America, west to the Rockies; breeds from South Carolina and western Texas north to Newfoundland and Manitoba; winters from North Carolina and northern Texas south to Cuba and Mexico.

=459. Olive-sided Flycatcher= (_Nuttalornis borealis_). L. 7.4. _Ads._ Throat and middle of belly white with a yellow tinge; sides and most of breast grayish; above brownish gray with an olive-tinge, crown darker, the feathers lengthened. _Notes._ _Hip-hip_ or _quilp-quilp_, less often a loud, emphatic _whip-péw-hip_. (Head.)

Range.--North America; breeds from Massachusetts (rarely), northern New York, and Minnesota, northward to Alaska, south through the Rockies and Coast Range to Mexico; winters in Central and South America.

=460. Coues Flycatcher= (_Contopus pertinax pallidiventris_). L. 7.7. _Ads._ Below nearly uniform gray, belly paler; above gray, crown slightly darker, the feathers lengthened. _Notes._ A plaintive musical four or five noted whistle with regular intervals and a singularly human-like quality.

Range.--Western Mexico, north to central Arizona; winters south of United States.

=461. Wood Pewee= (_Contopus virens_). L. 6.5; W. 3.3. _Ads._ Above dark olive, crown blacker; below dusky grayish, throat whitish, belly yellowish; lower mandible yellowish. _Yng._ Greener above, yellower below. _Notes._ _Pee-a-wee_, _peer_ and _pee_; all plaintive and musical.

Range.--Eastern North America, west to about Long. 100°; breeds from Florida and Texas north to New Brunswick and Manitoba; winters in Central America.

=462. Western Wood Pewee= (_Contopus richardsonii_). Similar to No. 461, but above with usually no greenish tinge; below less yellow; under mandible brownish. _Notes._ A nasal, rather emphatic _pēē-a_.

Range.--Western United States, east to about Long. 100°; breeds from western Texas and Lower California north to Manitoba, Alberta, and British Columbia; winters in Mexico and Central America.