This is a list of species of fauna (animals) that have been observed in the U.S. State of Oregon.
Amphibians
mammals of Oregon - Video Learning - WizScience.com - The "List of mammals of Oregon" lists every wild mammal species living within or recently extirpated from the U.S. state of Oregon or coastal shores. Without exceptions, this list includes...
Caudata
- Oregon slender salamander
Reptiles
Serpentes
- California mountain kingsnake - Native to Oregon
- Common garter snake - Native to Oregon.
- Common kingsnake Native to Oregon
- Gopher snake - Native to Oregon
- Ground snake - Owyhee River
- Night snake - Native to Oregon
- Northwestern garter snake - Native to Oregon
- Pacific rattlesnake- Native to Oregon
- Racer - Native to Oregon
- Ringneck snake - Native to Oregon
- Rubber boa - Native to Oregon
- Sharptail snake - Native to Oregon
- Striped whipsnake - Native to Oregon
- Western rattlesnake - Found in Eastern Oregon
- Western terrestrial garter snake - Native to Oregon
Testudines
- Snapping turtle - Introduced into Oregon.
- Western painted turtle - Native to Oregon.
Annelids
Haplotaxida
- Oregon giant earthworm
Birds
- List of birds of Oregon
Crustaceans
Notostraca
- Branchinecta lynchi - Also in California.
- Lepidurus packardi - Mostly Californian, but found in Jackson County, Oregon as well.
Fish
Cypriniformes
- Warner sucker - Also in California, Arizona, and Nevada.
- Shortnose sucker - Also in California.
- Lost River sucker - Also in California.
- Modoc sucker - Also in California.
Acipenseriformes
- Green sturgeon - Rogue River in Oregon.
- White sturgeon - Umpqua River in Oregon.
Lamniformes
- Common thresher - Oregon coast.
- Great white shark - Oregon coast.
- Basking shark - Oregon coast.
Rajiformes
- Broad skate - Oregon coast.
- Fine-spined skate - Oregon coast.
- Pacific white skate - Oregon coast.
- Roughtail skate - Oregon coast.
- Deepsea skate - Oregon coast.
- Sandpaper skate - Oregon coast.
Perciformes
- Calico surfperch - Oregon coast.
Carcharhiniformes
- Brown catshark - Oregon coast.
Scorpaeniformes
- Mosshead sculpin - Oregon coast.
- Pit sculpin - Goose lake, Drews creek, and Thomas Creeks.
- Prickly sculpin - River drainages
Petromyzontidae
- Pacific lamprey - Native to Oregon
- Lampetra ayresii - Native to Oregon
- Western brook lamprey - Native to Oregon
Insects
Odonata
- Canada darner - Native to Oregon and common across America.
- Paddle-tailed darner - Native to Oregon and common across America.
- Shadow darner - Native to Oregon and common across America.
- Common green darner - Native to Oregon and common across America.
- Sooty dancer - Native to Oregon.
- Paiute dancer - Native to Oregon.
- River jewelwing - Native to Oregon and common across America.
- Taiga bluet - Native to Oregon and common across America.
Orthoptera
- Jerusalem cricket - Found in Central and Eastern Oregon in the desert regions.
Hymenoptera
- Franklin's bumble bee - Found in Southern Oregon.
Mammals
Rodenta
- Baird's shrew - Endemic to northwest Oregon.
- Camas pocket gopher - occurs only in the Willamette Valley, endemic to northwest Oregon in the Northwestern United States.
- Fog shrew - Also can be found in northern California.
- Gray-tailed vole - Endemic to Oregon.
- Pacific shrew - Endemic to western Oregon.
- White-tailed antelope squirrel - Found in central, eastern, and south-eastern Oregon, the desert regions.
- Mountain beaver - Found in Western Oregon.
- California kangaroo rat - Found in the Sierra Nevada Mountains in Oregon.
- Chisel-toothed kangaroo rat - Found in South Eastern Oregon.
- Ord's kangaroo rat - Found in Eastern Central Oregon.
Chiroptera
- Pallid bat - Native to Oregon and common in the western United States.
Cetartiodactyla
- American bison - Regionally extinct.
Lagomorpha
- Pygmy rabbit - North Eastern Oregon.