Work with vertebrate animals on the Hastings Natural History Reservation (1938-1942)author(s): Jean M. Linsdale description: Individual species were trapped, marked and released. region: Hastings Reserve notes: This is only the second part of this list and includes the mammals. The first part includes the birds. # species: 19 Mammalia: Carnivora (Mephitidae family) Spilogale gracilis Western Spotted Skunk Family: Mustelidae Mustela frenata Long-tailed Weasel Opossums Didelphimorphia Order Family: Didelphidae Didelphis virginiana Virginia Opossum Rabbits, Hares & Pikas Lagomorpha Order Family: Leporidae Sylvilagus audubonii Desert Cottontail Sylvilagus bachmani Brush Rabbit Rodents Rodentia Order Family: Geomyidae Thomomys bottae Botta's Pocket Gopher Family: Heteromyidae Chaetodipus californicus California Pocket Mouse Dipodomys venustus Narrow-faced Kangaroo Rat Family: Muridae Microtus californicus California vole Mus musculus house mouse Neotoma fuscipes dusky-footed woodrat Peromyscus boylii brush mouse Peromyscus californicus California mouse Peromyscus maniculatus deer mouse Peromyscus truei pinyon mouse Reithrodontomys megalotis western harvest mouse Family: Sciuridae Spermophilus beecheyi California ground squirrel Tamias merriami Moles & Shrews Soricomorpha Order Family: Soricidae Sorex ornatus Ornate Shrew