FIELD KEY 



To the Birds of Amherst : an artificial arrangement based on 

 size, color, habitat, habits and notes. 



NOTE WELL: This key is not intended to identify immature birds; its 

 use in tl)e/n?ns tlierefore liable to leail to nli^takes and disap- 

 pointment. 



Size large ; as big as a crow or bigger. Group I. 

 Size medium ; as big as an English sparrow or bigger, 



but smaller than a crow. Group II. 

 Size small ; smaller than an English sparrow. 



Group III. 



NOTE WELL: This use of size is obviously 2)urely relative. 

 There is room for difference of ojnnion as to ichether 

 certain birds are "os big as an English sparroiv" or 

 not. Moreover individuals differ. If in doubt, try 

 Group II, and if that fails to lead to a satisfactory 

 result, try Group III. 



Group I. Large birds. 



1. Usually seen swimming on surface of still water, or div- 

 ing, or flying higli up with outstretched neck. 

 A. About 3 feet long. 



General coloration brownish-gray ; bill 2 inches, blunt, 



Canada Goose. 

 General coloration black and white ; bill 3 inches, acute. 



Loon. 



