Stanislaus River Basin and Calaveras River Water Use Program
Threatened and Endangered Species Report - March 1995
Bay Delta and Special Water Projects Division, CA Dept. of Fish and Game
APPENDIX E
OBSERVED AND POTENTIALLY OCCURRING MAMMAL
SPECIES OF THE STANISLAUS RIVER
Order Didelphimorpha
Family Didelphidae
Didelphis marsupialis oppossum I
Order Insectivora
Family Soricidae
Sorex ornatus ornate shrew
Family Talpidae
Scapanus latimanus broad-footed mole
Order Chiroptera
Family Vespertilionidae
Myotis lucifugus little brown myotis
Myotis yumanensis Yuma myotis 2
Myotis californicus California myotis
Myotis ciliolabrum small-footed myotis 2
Myotis evotis long-eared myotis 2
Myotis thysanodes fringed myotis 2
Myotis velifer long-legged myotis 2
Euderma maculatum spotted bat CSC, 2
Pipistrellus hesperus western pipistrelle
Eptesicus fuscus big brown bat
Lasionycteris noctivagans silver haired bat
Lasiurus blossevillii western red bat
Lasiurus cinereus hoary bat
Plecotus townsendii Townsend's big-eared bat CSC, 2
Antrouzous pallidus pallid bat CSC
Family Mollossidae
Tadarida brasiliensis Brazilian free-tailed bat
Eumops perotis californicus western mastiff bat CSC, 2
Order Lagomorpha
Family Leporidae
Sylvilagus bachmani riparius riparian brush rabbit SE, 1
Sylvilagus audubonii desert cottontail
Lepus californicus black-tailed hare
Order Rodentia
Family Sciuridae
Spermophilus beecheyi California ground squirrel
Sciurus niger fox squirrel I
Sciurus griseus western gray squirrel
Family Geomyidae
Thomomys bottae Botta's pocket gopher
Family Heteromyidae
Perognathus inornatus San Joaquin pocket mouse *
Family Castoridae
Castor canadensis beaver
Family Cricetidae
Reithrodontomys megalotis western harvest mouse
Peromyscus maniculatus deer mouse
Microtus californicus California vole
Neotoma fuscipes dusky-footed woodrat
Neotoma fuscipes riparia riparian woodrat CSC, 1
Ondatra zibethicus muskrat
Family Muridae
Rattus rattus black rat I
Rattus norvegicus Norway rat I
Mus musculus house mouse I
Family Erethizontidae
Erethizon dorsatum porcupine
Order Carnivora
Family Canidae
Canis latrans coyote
Urocyon cinereoargenteus gray fox
Vulpes vulpes red fox
Vulpes macrotis mutica San Joaquin kit fox ST, FE
Canis domestica feral dog I
Ursus americanus black bear
Family Procyonidae
Procyon lotor raccoon
Bassariscus astutus ringtail CFP
Family Mustelidae
Mustela frenata long-tailed weasel
Mustela vison mink
Taxidea taxus badger CSC
Spilogale gracilis spotted skunk
Mephitis mephitis striped skunk
Lutra canadensis river otter
Family Felidae
Felis concolor mountain lion
Felis rufus bobcat
Felis cattus feral cat I
Order Artiodactyla
Family Cervidae
Odocoileus hemionous mule deer
Codes
* Special Animals that are biologically rare, very restricted in distribution, declining
throughout their range, at a critical stage in their life cycle when residing in
California, population may be peripheral to the major portion of a taxon's range,
but which are threatened with extirpation within California, or the taxon may be
associated with a habitat that is declining in California (wetlands, riparian, old
growth forest)
SE Listed as Endangered by the State of California
ST Listed as Threatened by the State of California
CSC California Department of Fish and Game "Species of Special Concern"
CFP California Department of Fish and Game "Fully Protected"
FE Listed as Endangered by the Federal Government
1 Category 1 Candidate for listing by the U. S. Fish and Wildlife Service (sufficient
biological information available to support a proposal to list taxa as Endangered or
Threatened)
2 Category 2 Candidate for listing by the U. S. Fish and Wlidlife Service (existing
information indicates taxa may warrant listing, but substantial biological
information necessary to support a proposed rule is lacking)
I Introduced
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