![Badgers](/sites/default/files/styles/1800w/public/2020-04/Badger-w_baby%20USFWS.jpg?itok=m1GDd2Xz)
River Species - Mammals
![Badgers](/sites/default/files/styles/1800w/public/2020-04/Badger-w_baby%20USFWS.jpg?itok=m1GDd2Xz)
![American marten](/sites/default/files/styles/1800w/public/2020-04/American%20Marten%20credit%20NPS%20J%20Lieb.jpg?itok=HiupgqhM)
![Mink](/sites/default/files/styles/1800w/public/2020-04/mink%20credit%20Tom%20Koerner%20USFWS.jpg?itok=pqx1VpaL)
![American Pika Chris Kennedy USFWS](/sites/default/files/styles/1800w/public/2020-05/natdiglib_18450_extralarge.jpg?h=a414be9e&itok=Xxxi8HEU)
![Baird's Shrew](/sites/default/files/styles/1800w/public/2020-03/Bairdi3%20credit%20Lois%20Alexander%20%C2%A9.jpg?itok=Rg3ld20M)
![Big Brown Bat at rest](/sites/default/files/styles/1800w/public/2020-04/big-brown-bat%20credit%20USFWS%20Ann%20Froschauer.jpg?itok=DHnXhIir)
![Black Bear](/sites/default/files/styles/1800w/public/2020-04/Black%20Bear%20credit%20NPS%20Ann%20Schonlau.jpg?itok=R1bSIE77)
![Black rats](/sites/default/files/styles/1800w/public/2020-04/Black%20Rat%20credit.jpg?itok=Xem8qihP)
![Black-tailed jackrabbit](/sites/default/files/styles/1800w/public/2020-04/black-tailed-jackrabbit%20credit%20Scott%20Rheam%20USFWS.jpg?itok=k_gaBxWW)
![Bobcat credit Mark Stewart USFWS](/sites/default/files/styles/1800w/public/2020-03/8816751288_34daa1d9e4_c.jpg?h=aa5c419a&itok=dWzWJJ32)
![Brush Rabbit](/sites/default/files/styles/1800w/public/2020-04/Riparian-Brush-Rabbit%20USFWS.jpg?h=890e5d68&itok=34RtyWx2)
![Bushy-tailed woodrat](/sites/default/files/styles/1800w/public/2020-04/640px-Neotoma_cinerea.jpg?itok=Ry3tgte3)
![California Ground Squirrel](/sites/default/files/styles/1800w/public/2020-04/california%20ground%20squirrel%20credit%20NPS%20Cindy%20N%20Martinez.jpg?h=abbbcac8&itok=WDRkmZYa)
![California myotis](/sites/default/files/styles/1800w/public/2020-04/California_myotis%20NPS.jpg?itok=cSqbzlIo)
![California sea lions](/sites/default/files/styles/1800w/public/2020-04/California%20sea%20lions%20credit%20NPS.jpg?h=5d680ac8&itok=lLUtK7o3)
![Cascade Golden-Mantled Ground Squirrel](/sites/default/files/styles/1800w/public/2020-04/cascade%20golden%20squirrel%20nps.jpg?itok=X-LDQhgu)
Cascade Golden-mantled Ground Squirrel
Scientific Name
Spermophilus saturatus
![Coast Mole](/sites/default/files/styles/1800w/public/2020-03/Coast%20Mole%20credit%20Peter%20Paquet%20NWPCC.jpg?itok=SEGGGSs3)
endangered
![Columbian White-tailed Deer](/sites/default/files/styles/1800w/public/2020-03/columbian%20white%20tailed%20deer%20credit%20to%20USFWS.jpg?itok=T8q78vHd)
Columbian White-tailed Deer
Scientific Name
Odocoileus virginianus leucurus
![Coyote](/sites/default/files/styles/1800w/public/2020-04/Coyote_NPS%20Ann%20Schonlau.jpg?itok=V4Fxky8h)
![Creeping Vole](/sites/default/files/styles/1800w/public/2020-04/Creeping%20Vole%20credit%20Patty%20Teague%20iNaturalist.jpeg?itok=dRpUMOhK)
![Deer Mouse](/sites/default/files/styles/1800w/public/2020-04/deer%20mouse%20credit%20john%20good%20nps.jpg?h=e55b8008&itok=-jZBxYu5)
![Douglas Squirrel](/sites/default/files/styles/1800w/public/2020-04/Douglas%20Squirrel%20NPS.jpg?itok=yB0mheEH)
![Dusky-footed woodrat](/sites/default/files/styles/1800w/public/2020-04/Dusky-footed%20woodrat.jpg?itok=Cn7gwr-B)
![Eastern Cottontail](/sites/default/files/styles/1800w/public/2020-04/Eastern%20cottontail%20USFWS.jpg?itok=7tHGd9I4)
![Fox Squirrel](/sites/default/files/styles/1800w/public/2020-04/fox-squirrel%20credit%20Will%20Elder%20NPS.jpg?itok=-5unyKdd)
![Eastern Gray Squirrel](/sites/default/files/styles/1800w/public/2020-04/eastern%20gray%20squirrel%20nps.jpg?itok=wkiIKG1u)
![Elk credit Lee Eastman USFWS](/sites/default/files/styles/1800w/public/2020-03/Tule_Elk_at_San_Luis_Nat%27l_Wildlife_Refuge_%285187892760%29.jpg?h=b3646f18&itok=h42zWG-U)
![Ermine in the snow](/sites/default/files/styles/1800w/public/2020-04/Ermine%20NPS.jpg?h=e4fa99fe&itok=s9K8bGKH)
![Fringed Myotis](/sites/default/files/styles/1800w/public/2020-04/cfringedmyotis_USGS.jpg?itok=pNL8sQPb)
![Golden-mantled ground squirrels](/sites/default/files/styles/1800w/public/2020-04/golden-squirrel%20NPS.jpg?h=41cd8d8d&itok=vtLuqoMK)
![Gray Fox](/sites/default/files/styles/1800w/public/2020-04/Gray%20Fox%20credit%20Tammy%20Mealman%20USFWS.jpg?h=340a90de&itok=OH9pXGM5)
![Image needed!](/sites/default/files/styles/1800w/public/2020-03/ask-blackboard-chalk-board-chalkboard-356079.jpg?itok=LYymn0by)
![Harbor seals](/sites/default/files/styles/1800w/public/2020-04/Harbor%20Seals%20credit%20Roy%20Lowe%20USFWS.jpg?h=3f1f71cf&itok=x7rdzLvu)
![Image needed!](/sites/default/files/styles/1800w/public/2020-03/ask-blackboard-chalk-board-chalkboard-356079.jpg?itok=LYymn0by)
![Hoary Bat](/sites/default/files/styles/1800w/public/2020-04/HoaryBat_ISRO_NPS.jpg?itok=9jj2n7Py)
![House Mouse](/sites/default/files/styles/1800w/public/2020-04/House_mouse.jpg?itok=6zgkTQP0)
![Little Brown Myotis](/sites/default/files/styles/1800w/public/2020-04/little%20brown%20myotis%20credit%20ann%20froschauer%20usfws.jpg?itok=CKcTqlE6)
![Long-legged Myotis held in a hand](/sites/default/files/styles/1800w/public/2020-04/long-legged_myotis%20credit%20NPS.jpg?itok=qED2D4Ot)
![Long-tailed vole](/sites/default/files/styles/1800w/public/2020-04/Long-tailed_vole%20NPS.jpg?itok=RStw0Evd)
![Long-tailed weasel](/sites/default/files/styles/1800w/public/2020-04/long-tailed_weasel%20NPS.jpg?itok=QZFPv9VC)
![Common Shrew eating earthworm](/sites/default/files/styles/1800w/public/2020-03/640px-Sorex-araneus%20credit%20Soricida.jpg?itok=amC_9ryt)
![Mazama Pocket Gopher](/sites/default/files/styles/1800w/public/2020-04/Mazama_pocket_gopher%20USFWS.jpg?itok=y2EsWddN)
![Montane Shrew](/sites/default/files/styles/1800w/public/2020-03/Montane%20Shrew.jpeg?itok=1RcLa1aj)
![Montane Vole](/sites/default/files/styles/1800w/public/2020-04/montane_vole%20usfws.jpg?itok=P-pn2K70)
![Mountain Beaver credit US National Park Service](/sites/default/files/styles/1800w/public/2020-03/640px-Aplodontia_%28b16b57749b004d21939b17faf74e2370%29.jpeg?itok=gnhRZi1T)
![Mountain cottontail](/sites/default/files/styles/1800w/public/2020-04/nuttals_cottontail%20NPS.jpg?itok=1WqGY-k9)
![Mountain Lion](/sites/default/files/styles/1800w/public/2020-04/MountainLion_CourtesyUSFS.jpg?itok=bcf6r2c2)
![Mule Deer](/sites/default/files/styles/1800w/public/2020-04/MuleDeer_NPS.jpg?h=d7fbbf29&itok=SD6VrrtO)
![muskrat](/sites/default/files/styles/1800w/public/2020-03/muskrat.jpg?itok=QX8rE09B)
![Beaver credit US NPS](/sites/default/files/styles/1800w/public/2020-03/640px-Beaver_%2830629356951%29%20credit%20us%20nps.jpg?itok=fq2B8pv6)
![Porcupine credit A Falgoust US NPS](/sites/default/files/styles/1800w/public/2020-03/Falgoust-Addy-Porcupine-3-Mar-1-2018.jpg?itok=6tJnVD9H)
![River Otter](/sites/default/files/styles/1800w/public/2020-04/river%20otter%20credit%20usfws.jpg?itok=2xPtpIye)
![Northern Flying Squirrel](/sites/default/files/styles/1800w/public/2020-04/northern%20flying%20squirrel%20larry%20master%20usfws.jpg?h=d1da2e30&itok=4ljuFW-n)
![Northern Pocket Gopher](/sites/default/files/styles/1800w/public/2020-04/pocket_gopher%20NPS.jpg?itok=dmjDjx07)
![Image needed!](/sites/default/files/styles/1800w/public/2020-03/ask-blackboard-chalk-board-chalkboard-356079.jpg?itok=LYymn0by)
![Brown Rat](/sites/default/files/styles/1800w/public/2020-04/brown-rat-2115585_640.jpg?itok=MAYBv1y5)
![Nutria](/sites/default/files/styles/1800w/public/2020-04/Nutria%20USFWS.gif?itok=vwpikY-H)
![Pacific Jumping Mouse](/sites/default/files/styles/1800w/public/2020-04/Pacific_jumping_mouse%20USFS.jpeg?itok=6p6H_EQF)
![Pacific Marten](/sites/default/files/styles/1800w/public/2020-05/25981725490_025213ef27_c.jpg?h=45d3ce8e&itok=YIRc3UZT)
![Pacific Water Shrew](/sites/default/files/styles/1800w/public/2020-03/Pacific-water-shrew-Sorex-bendirii%20credit%20Ross%20G.%20Vennesland.png?itok=WsD3jL0i)
![pallid bat](/sites/default/files/styles/1800w/public/2020-05/Antrozous-pallidus%20USGS.jpg?itok=mM3JjM_s)
![Pika credit USFWS](/sites/default/files/styles/1800w/public/2020-03/American_Pika_%284920336644%29%20USFWS.jpg?h=8fc851c1&itok=E89EMGtg)
![Pinyon Mouse](/sites/default/files/styles/1800w/public/2020-04/Pinyon_mouse%20Sally%20King%20NPS.jpg?itok=BxnSJyic)
![Raccoon](/sites/default/files/styles/1800w/public/2020-03/raccoon%20at%20ridgefield.jpg?itok=c_loucck)
![Red Fox](/sites/default/files/styles/1800w/public/2020-04/Red%20Fox%20Neal%20Herbert%20NPS.jpg?h=caadbf38&itok=XIKAHAB3)
![Red Tree Vole](/sites/default/files/styles/1800w/public/2020-04/Red%20Tree%20Vole%20credit%20USFWS%20MacDunn.jpg?h=3b8107eb&itok=A1ocZeh2)
![Shew-mole](/sites/default/files/styles/1800w/public/2020-03/Shrew-Mole_credit%20NPS.jpeg?itok=OpLQSLkl)
![silver-haired bat](/sites/default/files/styles/1800w/public/2020-04/Silver-haired%20bat%20NPS.jpg?itok=j9Yth459)
![Snowshoe Hare credit US NPS](/sites/default/files/styles/1800w/public/2020-03/snowshoe%20hare%20US%20NPS.jpg?itok=XYal0nQj)
![Southern Red-Backed Vole](/sites/default/files/styles/1800w/public/2020-04/Red-backed_vole%20credit%20D.%20Gordon%20E.%20Robertson.jpg?itok=mTS8Lqez)
![Steller Sea Lions](/sites/default/files/styles/1800w/public/2020-04/StellerSeaLion%20credit%20Ebbert%20USFWS.jpg?itok=LrpmWewe)
![Striped skunks](/sites/default/files/styles/1800w/public/2020-04/skunks%20credit%20USFWS.jpg?itok=If2WNu1N)
![Townsend's Big-eared Bat](/sites/default/files/styles/1800w/public/2020-04/townsends_bat_odfw_Don_Albright.jpg?itok=ZS7Kwpir)
![Townsend's Chipmunk](/sites/default/files/styles/1800w/public/2020-04/Townsend%27s_chipmunk%20USFWS.jpg?h=bb443521&itok=kHgo1W4i)
![Townsend's Mole](/sites/default/files/styles/1800w/public/2020-03/Scapanus_townsendii%20credit%20jkirkhart35.jpg?itok=MWN3aC9M)
![Townsend's Vole](/sites/default/files/styles/1800w/public/2020-04/TownsendsVole%20credit%20Princeton%20University.jpg?itok=XTq_7kfU)
![Trowbridge's Shew](/sites/default/files/styles/1800w/public/2020-03/Trowbridge%27s%20Shrew%20%20A%20Rocha%20%20field%20study%20site%20resized.png?itok=kFm4E7ec)
![Vagrant Shrew](/sites/default/files/styles/1800w/public/2020-03/Vagrant%20Shrew.jpeg?h=2581f79a&itok=-Eyr58--)
![Virginia Opossum Credit Cody Pope](/sites/default/files/styles/1800w/public/2020-03/585px-Opossum_2.jpg?itok=DoQPL7bE)
![Water Shrew](/sites/default/files/styles/1800w/public/2020-03/water%20shrew.jpeg?itok=J8iId_iL)
![Water Vole](/sites/default/files/styles/1800w/public/2020-04/water%20vole%20credit%20Peter%20Trimming.jpg?itok=LzeD5b0h)
![Western Gray Squirrel](/sites/default/files/styles/1800w/public/2020-04/western%20gray%20squirrel%20nps.jpg?h=af87448b&itok=iwH95Ct_)
![Western Harvest Mouse](/sites/default/files/styles/1800w/public/2020-04/western%20harvest%20mouse%20Stuart%20NPS.jpg?itok=8gS6N8cc)
![Western Jumping Mouse](/sites/default/files/styles/1800w/public/2020-04/Zapus_princeps%20USFS.jpg?itok=BB0ndMLY)
![Long-eared bat](/sites/default/files/styles/1800w/public/2020-04/Western_long-eared_bat_%28Myotis_evotis%29%20NPS.jpg?itok=9aSCMQAl)
![Western Red-backed Vole](/sites/default/files/styles/1800w/public/2020-04/Western_red-backed_vole%20credit%20ODFW_CC.jpg?itok=AkEIkXAn)
![Western small-footed myotis](/sites/default/files/styles/1800w/public/2020-04/Western%20small-footed%20myotis%20credit%20Alexis%20McEwan%20MTNHP.jpg?itok=SbmtYAYZ)
![western spotted skunk](/sites/default/files/styles/1800w/public/2020-04/Western_spotted_skunk%20NPS.jpg?itok=M2JAX9DO)
![white-footed vole](/sites/default/files/styles/1800w/public/2020-04/White-footed_vole.jpg?itok=tChTGDi5)
![White-tailed deer](/sites/default/files/styles/1800w/public/2020-03/white%20tailed%20deer%20oxbow.jpg?itok=Nwk4XOO_)
![Wolverine](/sites/default/files/styles/1800w/public/2020-04/wolverine%20on%20rock%20NPS.jpg?h=cf54dd57&itok=gHTr2zJs)
![Yellow Pine Chipmunk](/sites/default/files/styles/1800w/public/2020-04/Yellow%20Pine%20Chipmunk%20NPS.jpg?itok=wnX7wxmc)
![Yuma Myotis credit Daniel Neal](/sites/default/files/styles/1800w/public/2020-03/640px-Myotis_yumanensis_%28Yuma_myotis%29_%2811362476624%29.jpg?itok=8C6PcYYn)