NORTHERN RAVEN. 



486a. Corvus corax principalis. 25 inches. 

 The habits of all the ravens and crows are identical 

 and are too well known to need mention. They are all 

 v»ry destructive to young birds and eggs. The 

 Haven can be knowm by its large size, its very large bill 

 and lanceolate feathers on the throat. They are found 

 in the mountains from Georgia and on the coast from 

 Maine northwards. 



WHITE-NECKED RAVEN. 



487. Corvus cryptoleucus. 18% inches. 



This species has the bases of the feathers on the back 

 of the neck white. Found in southwestern United States. 

 AMERICAN CROW. 



488. Corvus brachyrhynchos. 19 inches. 



The common Crow of North America, replaced in 

 Florida by the very similar Florida Crow (pascuus). 

 FISH CROW. 

 490. Corvus ossifragus. 16 inches. 

 This small species is found on the Atlantic coast nort'r 

 to Massachusetts. 



