Learn more about a specific fish or wildlife species in Washington.
Species marked with an "AIS" badge are aquatic invasive species. For more information about these environmentally and economically destructive species, visit the Aquatic invasive species page.
| Species | Category |
|---|---|
| Sei whale (Balaenoptera borealis) | Mammals |
| Sharpchin rockfish (Sebastes zacentrus) | Fish |
| Shaw Island Townsend's vole (Microtus townsendii pugeti) | Mammals |
| Shelton pocket gopher - Mazama species (Thomomys mazama couchi) | Mammals |
| Shiner perch (Cymatogaster aggregata) | Fish |
| Short-eared owl (Asio flammeus) | Birds |
| Short-tailed albatross (Phoebastria albatrus) | Birds |
| Shortbelly rockfish (Sebastes jordani) | Fish |
| Shortface lanx (Fisherola nuttalli) | Molluscs |
| Shortraker rockfish (Sebastes borealis) | Fish |
| Shortspine thornyhead (Sebastolobus alascanus) | Fish |
| Shrew-mole (Neurotrichus gibbsii) | Mammals |
| Side-blotched lizard (Uta stansburiana) | Reptiles |
| Sidestripe shrimp (Pandalopsis dispar) | Crustaceans |
| Signal crayfish (Pacifastacus leniusculus) | Crustaceans |
| Silver-bordered fritillary (Boloria selene atrocostalis) | Butterflies and moths |
| Silver-haired bat (Lasionycteris noctivagans) | Mammals |
| Silvergray rockfish (Sebastes brevispinis) | Fish |
| Siuslaw sand tiger beetle (Cicindela hirticollis siuslawensis) | Arthropods |
| Slender-billed white-breasted nuthatch (Sitta carolinensis aculeata) | Birds |
| Slimy sculpin (Cottus cognatus) | Fish |
| Smallmouth bass (Micropterus dolomieu) | Fish |
| Snow goose (Anser caerulescens) | Birds |
| Snowy owl (Nyctea scandiaca) | Birds |
| Sockeye salmon (Oncorhynchus nerka) | Fish |