THE BIRD BOOK 



Loggerhead Shrik 



622a. Wiiite-rumped Shrike. Lanius lud- 

 ovicianus excubitorides. 



Range. — North America, west of the Plains, 

 breeding north to Manitoba and the Saskatch- 

 ewan; winters south to Mexico. 



Like the last but paler and the rump white. 

 Their nesting habits and eggs are in every re- 

 spect like those of the Loggerhead Shrike. 



622b. California Shrike. 



Lanius ludovicianus gambeli. 



Range. — Pacific coast north to British Colum- 

 bia. 



Similar to the eastern form but with the 

 breast washed with brownish and with indis- 

 tinct wavy bars. The eggs cannot be distin- 

 guished from those of the others. 



i'd^^f 



622c. Island Shrike. Lanius ludovicianus anthonyi. 



Range. — Santa Barbara Islands, California. Like the last but smaller and 

 darker. Eggs not distinguishable. 



623. 



VIREOS. Family VIREONDID^ 



Vireosylva calidris 



Black-whiskered Vireo. 

 barbatula. 

 Range. — A Central American species, breeding in Cuba, 

 Bahamas and southern Florida. 



Like the Red-eyed Vireo but with a 

 dusky streak on either side of the chin. 

 They build pensile nests of strips of bark 

 and fibres, swung from the forks of 

 branches. The eggs cannot be distin- 

 guished from those of the next species, 

 White being white, more or less specked about 



the large end with reddish brown and umber. Size .78 x .55. 





622a— 622b 



378 



