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 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 |
| White-crowned sparrow (Zonotrichia leucophrys) | Birds |
| White-headed woodpecker (Dryobates albolarvatus) | Birds |
| White-tailed deer (Odocoileus virginianus) | Mammals |
| White-tailed jackrabbit (Lepus townsendii) | Mammals |
| White-tailed ptarmigan (Lagopus leucura rainierensis) | Birds |
| White-throated sparrow (Zonotrichia albicollis) | Birds |
| White-winged scoter (Melanitta fusca) | Birds |
| Whitespotted greenling (Hexagrammos stelleri) | Fish |
| Widow Rockfish (Sebastes entomelas) | Fish |
| Wild turkey (Meleagris gallopavo) | Birds |
| Willow flycatcher (Empidonax traillii) | Birds |
| Winged floater (Anodonta nuttalliana) | Molluscs |
| Wolf eel (Anarrhichthys ocellatus) | Fish |
| Wolverine (Gulo gulo luscus) | Mammals |
| Woodhouse's toad (Anaxyrus woodhousii) | Amphibians |
| Woodland caribou (Rangifer tarandus) | Mammals |
| Yellow bullhead (Ameiurus natalis) | Fish |
| Yellow perch (Perca flavescens) | Fish |
| Yellow-bellied marmot (Marmota flaviventris) | Mammals |