FIELD BOOK OF MAMMALS 



Arizona Cottontail. — Sylvilagus auduhoni arizoncB (Allen). 

 Smaller than typical auduboni, with gray rump patch, large 

 (proportionally) ears. Total length, 14-15 inches; tail 

 vertebrae, 2.1 inches; hind foot, 3.4 inches; ear from notch, 

 2.8 inches. Upperparts pale buffy gray, back lightly 

 washed with black, sides gray. Found in "Deserts of 

 extreme southern Nevada, California (east of the Sierra 

 Nevada and southern Coast Range) from Owens and Death 

 Valleys south across the Mohave and Colorado deserts into 

 northeastern Lower California; nearly all of Arizona below 

 6,000 feet (except northeastern part) from westerly slopes 

 of San Francisco and White Mountains, south into northern 

 Sonora, Mexico. Vertical range from below sea level in 

 Death Valley up to about 7,000 feet in mountains of western 

 Arizona; zonal range mainly Lower Sonoran, but extending 

 through Upper Sonoran." (Nelson) 



Little Cottontail. — Sylvilagus auduhoni minor (Meams). 



Smaller than arizona, but similar to it in pale gray colora- 

 tion. Total length, 14 inches; tail vertebrae, 2.1 inches; 

 hind foot, 3.2 inches; ear from notch, 2.4 inches. Upper- 

 parts pale grayish buffy, sparsely washed with black on 

 back; ears darker gray with black border about tips; throat 

 grayish buff. Found in "Extreme western Texas (mainly 

 west of Guadalupe and Davis mountains) and Rio Grande 

 Valley above mouth of Pecos ; also plains of extreme south- 

 eastern comer of Arizona and southwestern New Mexico, 

 and thence south, , . Zonal range mainly Lower Sonoran, 

 extending up into the Upper Sonoran Zone." (Nelson) 



Cedar Belt Cottontail. — Sylvilagus auduboni cedrophilus 

 Nelson. 

 Upperparts dark grayish buffy; rump dull iron-gray; nape 

 deep rusty rufous; throat deep buff to rich ochraceous buffy. 

 Total length, 15 inches; tail vertebrae, 1.8 inches; hind foot, 

 3.6 inches; ear from notch, 2.5 inches. Found in "Mainly 

 the juniper and piny on pine belt from Alpine, in the Davis 

 Mountains of Texas, north through mountains of southern 

 half of New Mexico and along the Mogollon range to east 

 side of San Francisco Mountain of east-central Arizona. 

 Vertical range from about 5,000 to 8,000 feet in western New 

 Mexico; zonal range mainly Upper Sonoran." (Nelson) 



Colorado Cottontail. — Sylvilagus auduboni warreni Nelson, 

 Upperparts dark creamy buff with heavy black wash on 

 back; sides grayer; nape light rufous; well-defined rump 

 patch of iron-gray; throat dark buff. Total length, 15-16 

 inches; tail vertebrae, 2 inches; hind foot, 3.9 inches; ear 

 from notch, 2.7 inches. Found in "Southwestern Colorado, 

 southeastern Utah, northwestern New Mexico, north- 

 eastern Arizona, including lower half of valley of the Little 

 Colorado River, to east base of San Francisco Mountain, 

 and to Henry Mountains, southeastern Utah. Vertical 

 range from about 5,000 to 8,500 feet in northwestern New 



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