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 |
|---|---|
| Western floater (Anodonta kennerlyi) | Molluscs |
| Western flycatcher (Empidonax difficilis) | Birds |
| Western gray squirrel (Sciurus griseus) | Mammals |
| Western grebe (Aechmophorus occidentalis) | Birds |
| Western High Arctic brant (Branta bernicla) | Birds |
| Western Long-eared bat (Myotis evotis) | Mammals |
| Western meadowlark (Sturnella neglecta) | Birds |
| Western pearlshell mussel (Margaritifera falcata) | Molluscs |
| Western racer (Coluber constrictor) | Reptiles |
| Western rattlesnake (Crotalus oreganus) | Reptiles |
| Western red-backed salamander (Plethodon vehiculum) | Amphibians |
| Western ridged mussel (Gonidea angulata) | Molluscs |
| Western screech owl (Otus kennicotii macfarlanei) | Birds |
| Western skink (Plestiodon skiltonianus) | Reptiles |
| Western small-footed myotis (bat) (Myotis ciliolabrum) | Mammals |
| Western snowy plover (Anarynchus nivosus) | Birds |
| Western spotted skunk (Spilogale gracilis) | Mammals |
| Western tanager (Piranga ludoviciana) | Birds |
| Western toad (Anaxyrus boreas) | Amphibians |
| Western wood-pewee (Contopus sordidulus) | Birds |
| Westslope cutthroat trout (Oncorhynchus clarkii lewisi) | Fish |
| White bullhead (Ameiurus catus) | Fish |
| White crappie (Pomoxis annularis) | Fish |
| White sturgeon (Acipenser transmontanus) | Fish |
| White-belted ringtail (Erpetogomphus compositus) | Arthropods |