1909. Sylvilagus nuttalli pinetis, Nelson, N. Amer. Fauna, 29:207, August 31.
Marginal records.—Colorado (Nelson, 1909:210): Arkins; Golden; Greenhorn Mts. New Mexico: Sierra Grande (Nelson, 1909:211); Willis (ibid.); Zuni Mts. (V. Bailey, 1932:60). Arizona: type locality. Utah (Durrant, MS): 4-1/2 mi. NW Bluff; Block Canyon, 19 mi. SE Moab, 5400 ft.; 5 mi. NE La Sal P. O., 8000 ft.
Sylvilagus audubonii
Audubon Cottontail
Total length, 350-420; tail, 45-75; hind foot, 75-100; ear from notch (dry), 55-70; weight of S. a. vallicola, 7 ♂ 912 (835-988), 2 ♀ 1096, 1191 grams. Long hind legs, long ears, sparseness of hair on the ears, shortness of hair on the feet, prominent (upturned) supraorbital process of the skull and much inflated tympanic bullae are characters of this wide-spread species. Embryos in 19 Californian females averaged 3.6 (2-6) per female.
- S. a. audubonii
- S. a. vallicola
- S. a. sanctidiegi
- S. a. confinis
- S. a. arizonae
- S. a. warreni
- S. a. baileyi
- S. a. cedrophilus
- S. a. neomexicanus
- S. a. minor
- S. a. goldmani
- S. a. parvulus
Sylvilagus audubonii arizonae (J. A. Allen).
1877. [Lepus sylvaticus] var. arizonae J. A. Allen, Monogr. North Amer. Rodentia, p. 332, August, type from Beals Spring, Yavapai Co., Arizona.