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Jasper Ridge Biological Preserve
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Mammal Species ListJune 6, 2019
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TaxonGenusSpeciesCommon NameLAST SEENNative or IntroducedCONSERVATION STATUSConservation assessment by:Conservation assessment applies to:CommentsCounts
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Class Mammalia (mammals)41 Native, 5 Introduced,NativeIntroduced
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1 Subspecies of Special Concern414
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 Infraclass Metatheria
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 (marsupials)1 Introduced1
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1DidelphisvirginianaVirginia opossumCurrentIntroduced ~1910Least ConcernIUCNSpecies
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 Order Insectivora
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 (shrews and moles)3 Native3
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2Sorexspp. ShrewCurrentNativeLeast Concern IUCNSpecieslikely S. ornatus and/or S. trowbridgii
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3NeurotrichusgibbsiiAmerican shrew-moleCurrentNativeLeast Concern IUCNSpecies
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4ScapanuslatimanusBroad-footed moleCurrentNativeLeast Concern IUCNSpecies
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 Order Chiroptera (bats)16 Native16
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5AntrozouspallidusPallid batCurrentNativeLeast ConcernIUCNSpeciesThe bat list includes all that are suspected from audio analyses. The numbers in the 2017 Annual report include only the 8 species identified by observation.
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6CorynorhinustownsendiiTownsend's big-eared batCurrentNativeLeast Concern IUCNSpecies
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7EptisicusfuscusBig brown batCurrentNativeLeast ConcernIUCNSpecies
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8EudermamaculatumSpotted batCurrentNativeLeast ConcernIUCNSpecies
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9EumopsperotisWestern mastiff batCurrentNativeLeast ConcernIUCNSpecies
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10LasiuruscinereusHoary batCurrentNativeLeast ConcernIUCNSpecies
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11LasiurusnoctivagansSilver-haired batCurrentNativeLeast ConcernLasiurusnoctivagans
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12Myotis yumanensisYuma MyotisCurrentNativeLeast Concern IUCNSpecies
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13Myotis californicusCalifornia MyotisCurrentNativeLeast Concern IUCNSpecies
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14Myotis evotis Long-eared MyotisCurrentNativeLeast Concern IUCNSpecies
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15Myotis thysanodesFringed MyotisNative
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16Myotis volansLong-legged MyotisCurrentNativeLeast Concern IUCNSpecies
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17Myotis lucifagusLittle brown batCurrentNativeLeast ConcernIUCNSpecies
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18Myotis ciliobrumWestern small-footed batCurrentNativeLeast ConcernIUCNSpecies
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19ParastrellushesperusCanyon Bat (formerly Western Pipistrelle)CurrentNativeLeast ConcernIUCNSpecies
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20TadaridabrasiliensisMexican free-tailed batCurrentNativeLeast ConcernIUCNSpecies
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 Order Lagomorpha3
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 (rabbits, hares & pikas)3 Native
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21Sylvilagus bachmaniBrush rabbitCurrentNativeLeast ConcernIUCNSpecies
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22Sylvilagus auduboniiDesert cottontailCurrentNativeLeast ConcernIUCNSpecies
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23Lepus californicusBlack-tailed jackrabbitCurrentNativeLeast ConcernIUCNSpecies
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 Order Rodentia (rodents)9 Native, 3 Introduced93
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 Family Sciuridae (squirrels)3 Native, 2 Introduced
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24NeotamiasmerriamiMerriam chipmunkCurrentNativeLeast ConcernIUCNSpecies
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25OtospermophilusbeecheyiCalifornia ground squirrelCurrentNativeLeast ConcernIUCNSpecies
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26Sciurus carolinensisEastern gray squirrelCurrentIntroducedLeast ConcernIUCNSpecies
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27SciurusgriseusWestern gray squirrelCurrent NativeLeast ConcernIUCNSpecies
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28SciurusnigerFox squirrelCurrentIntroducedLeast ConcernIUCNSpecies
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 Family Geomyidae (gophers)1 Native
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29Thomomys bottaeBotta's pocket gopherCurrentNativeLeast ConcernIUCNSpecies
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 Family Cricetidae
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 (mice, voles, wood rats)5 Native, 1 Introduced
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30PeromyscustrueiPinyon mouseCurrentNativeLeast ConcernIUCNSpeciesTrap record March 31, 2019
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31PeromyscuscalifornicusCalifornia mouseCurrentNativeLeast ConcernIUCNSpeciesTrap record March 31, 2019
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32ReithrodontomysmegalotisWestern harvest mouseCurrentNativeLeast ConcernIUCNSpeciestrap record March 31, 2019
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33Neotomafuscipes annectensSan Francisco dusky-footed wood ratCurrentNativeCA Species of Special ConcernUSFWSSubspeciesN. f. annectens is a subspecies ranked as a Species of Special Concern by CDFW. IUCN ranks the species as Least Concern. Trap record March 31, 2019.
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34OndatrazibethicusMuskratCurrentIntroduced?Least ConcernIUCNSpeciesDead specimen observed near dam plunge pool April 2017. Alice Cummings photographed a live one on the lake shore in February 2018. Native to southern and eastern CA, but introduced to northern and western CA ~1930s.
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35MicrotuscalifornicusCalifornia voleCurrentNativeLeast ConcernIUCNSpecies
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 Order Carnivora (carnivores)9 Native, 1 Introduced90
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 Family Canidae (dogs)2 Native, 1 Introduced
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36CanislatransCoyoteCurrent NativeLeast ConcernIUCNSpecies
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37Vulpes vulpesRed foxCurrent Introduced or native?Least ConcernIUCNSpeciesNative to high elevations of Sierras but considered introduced in central California; assumed present from purported camera trap sighting at JRBP several years ago; some controversy as to whether this species is present or should be considered native. It is counted as 'Native' in the 2017 Annual Report.
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38UrocyoncinereoargenteusGray foxCurrentNativeLeast ConcernIUCNSpecies
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 Family Felidae (cats)2 Native
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39FelisrufusBobcatCurrentNativeLeast ConcernIUCNSpecies
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40FelisconcolorMountain lionCurrentNativeLeast ConcernIUCNSpecies
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 Family Mustelidae
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 (skunks and weasels)4 Native
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41MephitusmephitusStriped skunkCurrent NativeLeast ConcernIUCNSpecies
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42SpilogalegracilisWestern Spotted skunkCurrent NativeLeast ConcernIUCNSpecies
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43MustelafrenataLong-tailed weaselCurrent NativeLeast ConcernIUCNSpeciesCamera trap photo May 28, 2017
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44TaxideataxusBadger2013NativeLeast ConcernIUCNSpecies
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 Family Procyonidae
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 (raccoons) 1 Native
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45ProcyonlotorRaccoonCurrentNativeLeast ConcernIUCNSpecies
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 Order Artiodactyla
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 (even-toed with hooves)1 Native1
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 Family Cervidae (deer) 1 Native
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46OdocoileushemionusBlack-tailed deer (mule deer)CurrentNativeLeast ConcernIUCNSpecies
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