page_title: List of wildlife of the Skagit River Basin
section_title: Mammals
hierarchical_section_title: List of wildlife of the Skagit River Basin / Mammals
caption_attribution_description: English: Hoary marmot
context_page_description: This is a list of wildlife found in the Skagit River basin of the Pacific Northwest.
context_section_description: Opossums
  Opossum
  Shrews
  Masked shrew
  Vagrant shrew
  Dusky shrew
  Northern water shrew
  Pacific water shrew
  Trowbridge's shrew
  Moles
  Shrew-mole
  Coast mole
  Townsend's mole
  Bats
  California myotis
  Yuma myotis
  Little brown myotis
  Long-eared myotis
  Long-legged myotis
  Hoary bat
  Townsend's big-eared bat
  Silver-haired bat
  Big brown bat
  Pikas
  Pika
  Rabbits and hares 
  Eastern cottontail
  Snowshoe hare
  Mountain beaver
  Mountain beaver
  Chipmunks, marmots, squirrels 
  Yellow-pine chipmunk
  Townsend's chipmunk
  Hoary marmot
  Cascade golden-mantled ground squirrel
  Western gray squirrel
  Fox squirrel (introduced)
  Douglas squirrel
  Northern flying squirrel
  Beavers
  Beaver
  Mice, woodrats, voles
  Deer mouse
  Bushy-tailed woodrat
  Red-backed vole
  Heather vole
  Meadow vole
  Townsend's vole
  Long-tailed vole
  Creeping vole
  Water vole
  Muskrat
  Northern bog lemming
  Norway rat (introduced)
  Black rat (introduced)
  House mouse (introduced)
  Pacific jumping mouse
  Porcupines
  Porcupine
  Nutrias
  Nutria (introduced)
  Coyotes, wolves, foxes
  Coyote
  Gray wolf (endangered)
  Red fox
  Bears 
  Black bear
  Grizzly bear (threatened)
  Raccoons
  Raccoon
  Weasels
  Marten
  Fisher
  Ermine
  Long-tailed weasel
  Mink
  Wolverine
  Striped skunk
  Western spotted skunk
  River otter
  Cats
  Mountain lion
  Lynx
  Bobcat
  Elk, deer, moose
  Elk
  Mule deer
  White-tailed deer
  Moose
  Goats
  Mountain goats
caption: Hoary marmot
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