170 FUR FACTS 



Wolf Coyote 



Width of nose pad IJi to IJ/^ inches 5^ to 1 inch 



Width of heel pad of front foot. . . 1}4 to 2 inches 1 inch 

 Upper canine tooth greatest di- 

 ameter at base , 5/10 to 6/10 inches 3/10 to 4/10 in. 



The Biological Survey furnishes the following key to Wolf, Coy- 

 ote and Fox Pups. 



Wolf Pups 



Muzzle blackish at birth, fading in a month or six weeks to greyish. 

 Head greyish in decided contrast to black of back, nose and ears. 

 Ears black at tips, fading to greyish in a month or six Weeks. 

 Tail black, fading to grey with black tip. 



Coyote Pups 



Muzzle tawny, or yellowish brown, becoming more yellowish 

 with age. 



Head yellowish grey, not strongly contrasted with rest of body. 

 Ears dark brown at tips and back, soon fading to yellowish brown. 

 Tail black, fading to grey with black tip. 



Red Fox Pups 

 Muzzle blackish. 



Head dusky with side of face light yellowish. 

 Ears large, nearly the whole back of ears bright black at all ages. 

 Eyes and ears relatively larger and nose pad smaller than in 

 coyote or wolf. 



Tail dusky, tip white at all ages. 



Grey Fox Pups 



Muzzle blackish. 



Head greyish, face back of eyes sharply pepper and salt grey. 



Ears large, back of ears dusky at tip, fulvous at base. 



Eyes and nose pad small. 



Tail with tip black at all ages. 



Kit Fox Pups 



Muzzle with blackish patch on each side. 



Head and face tawny or yellowish brown. 



Ears tawny without black backs or tips. 



Eyes larger and nose pad smaller than in young coyote. 



Tail with tip black at all ages. 



