This is a list of fauna observed in the U.S. state of Washington.
Animals Birds
American robin (Turdus migratorius) Bald eagle (Haliaeetus leucocephalus) Chestnut-backed chickadee (Poecile rufescens) Dark-eyed junco (Junco hyemalis) Spotted towhee (Pipilo maculatus) Steller's jay (Cyanocitta stelleri)
Fish
Beardslee trout (Oncorhynchus mykiss irideus var. beardsleei) Bull trout (Salvelinus confluentus) Chinook (king) salmon (Oncorhynchus tshawytscha) Coastal cutthroat trout (Oncorhynchus clarki clarki) Coho (silver) salmon (Oncorhynchus kisutch) Crescent trout (Oncorhynchus clarki crescenti) Dolly Varden trout (Salvelinus malma) Pink (humpback) salmon (Oncorhynchus gorbuscha) Rainbow trout (Oncorhynchus mykiss) Sockeye salmon (Oncorhynchus nerka) Westslope cutthroat trout (Oncorhynchus clarki lewisi)
Mammals
American black bear (Ursus americanus) American pika (Ochotona princeps) Grizzly bear (Ursus arctos horribilis) Mountain beaver (Aplodontia rufa) Olympic marmot (Marmota olympus) Pygmy rabbit (Brachylagus idahoensis) (reintroduced) Roosevelt elk (Cervus canadensis roosevelti) Shrew-mole (Neurotrichus gibbsii) Snowshoe hare (Lepus americanus) Douglas squirrel (Tamiasciurus douglasii) Gray squirrel Gray digger squirrel Virginia opossum (introduced) Raccoon Fisher Black tailed deer Coyote (Canis latrans) Wolf Striped skunk Spotted skunk Wolverine North American porcupine (Erethizon dorsatum) Yellow-pine chipmunk (Tamias amoenus)
Reptiles
Amphibians
See also List of flora of Washington