270 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



FAMILY LANIID^. 



Shrikes. 



Bill, strong, notched near the end, and decidedly hooked; tarsus, 

 scutellate ; tail, rounded. But two species occur with us, both grayish 

 birds with blackish wings and tail and a stripe through the eye. 



Crown and back, gray ; underparts, 

 white; a patch of black on the sides 

 of the head; wing less than 4.15 

 inches long. 



Loggerhead Shrike. 



Lanius ludovicianns. 



See No. 468. 



Upper p 1 u m - 

 age, ash gray 



or gray tinged 

 with buff; un- 

 derparts, 

 ashy white, tlie feathers show- 

 ing numerous faint narrow 

 black bars ; a black streak from 

 bill through the eye; wing, 

 more than 4.15 inches long. 



Northern Shrike 



Lanius borealin. 

 See No. 467. 



