7. Ears with definite black tips; upper part of tail mostly black; from Kansas 



and Nebraska to the Pacific coast 



Lepus californicus Gray Black'tailed Jack Rabbit (Many sub' 

 species) 

 Tips of ears only slightly blackish posteriorly; upper part of tail black 

 only on basal half; Ariz;, and N. M. southward 



Lepus alleni Mearns White-faced or Antelope Jack Rabbit 



8. Soles of feet usually light colored; fur turning white in winter; northern 



states, and southward in the mountains 

 _ Lepus americanus Erxleben Varying Hare, Snowshoe Rabbit 



(Many intergrading subspecies) 

 Soles of feet usually dark tinted; fur not turning white in winter; western 

 Wash, and Oregon 



Lepus washingtonii Baird Coastal Snowshoe Rabbit 

 (Now considered to be a subspecies of the preceding) 



9. Tail uniformly colored; small mammals, not over twelve inches in the 



adult; western states 



Sylvilagus idahoensis (Merriam) Pigmy Rabbit 

 (Brachylagus idahoensis (Merriam) ) 

 Tail pale below; becoming larger 10. 



10. Tail gray below; swamp or marsh habitat; southeastern states along the 



coast from Va. to Fla. and La. 



Sylvilagus palustns (Bachman) Marsh Rabbit 

 Tail white below 11. 



1 1. Tops of hind feet brown; hind feet getting to be slightly over four inches 



long; 111. to Ga. and Texas 



Sylvilagus aquaticus (Bachman) Swamp Rabbit 

 Tops of hind feet white or pale butfy; hind feet usually much shorter 12. 



12. Tail about as wide as long, thickly haired; under parts grayish; Pacific 



coastal region 



Sylvilagus hachmani (Waterhouse) Brush Rabbit 

 Tail somewhat longer, thinly haired 13. 



13. Tops of hind feet usually white; from S. D. and Okla. westward 14. 

 Tops of hind feet usually buffy; eastward from Wyo. and Colo. 15. 



14. Ear, from crotch, less than two and three-eighths inches long, thickly 



haired within; general color brownish 



Sylvilagus nuttallii (Bachman) Rocky Mountain Cottontail 

 Ear slightly longer, extending beyond nose, when laid forward; ears 

 black-tipped and thinly haired within; general color grayish 



Sylvilagus auduhonii (Baird) Western Cottontail 



15. Under parts pinkish-buff, well streaked with black; with a lengthwise 



black band between the ears; New England to Ala. 



Sylvilagus transitionalis (Bangs) New England Cottontail 

 Under parts sprinkled, not streaked, with black; N. Y. to the Rockies 

 Sylvilagus floridanus (Allen) Common Cottontail 

 (Many subspecies) 



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