IDENTIFICATION CHAPTER. 201 



winter visitant in flocks, feeding on various wild berries. (See 

 page 125.) 



California Shrike, or Butcher-Bird. Length, 9 inches ; 

 above, plain slate-gray ; below, whitish ; wings and tail black, 

 with white areas, which show in conspicuous contrast during 

 flight; a jet-black belt on sides of head, inclosing eyes. Com- 

 mon resident of open valleys. (See page 141.) 



Audubon Warbler. Length, 5) inches; plumage in win- 

 ter, above, brownish gray, dusky streaked ; the same, but paler, 

 beneath ; a bright yellow spot on rump, one on crown, one on 

 throat, and one at each side of the breast; wings and tail 

 blackish, the latter with large white spots near tip, which 

 show as a conspicuous white band in flight. Abundant winter 

 visitant to the valley regions of California, summering in the 

 high Sierras and northward. (See page 75.) 



Yellow Warbler, or Summer Yellow-Bird. Small ; 



length, 4) inches; bill slender; male almost wholly bright 

 yellow ; narrow chestnut stripes on breast, and back greenish ; 

 female yellowish green, paler on lower surface. Common 

 spring and summer visitant to deciduous woodlands and 

 orchards. (See page 75.) 



Mocking-Bird. Length, 10 inches ; tail 4% inches ; wings 

 and tail blackish, with a large amount of white, which shows 

 as conspicuous patches in flight ; upper parts drab gray ; lower 

 surface whitish ; bill and feet black. Common resident of the 

 southern Calif ornian and interior valleys. (See page 84.) 



Vigors Wren. Length, 5)^ inches ; bill long, slender, and 

 slightly curved; above, plain dark brown; beneath, ashy 

 white ; a conspicuous white stripe over each eye ; tail tipped 

 with ashy and narrowly barred with sooty ; rump with partly 



