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 |
|---|---|
| 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 |
| Willet (Tringa semipalmata) | Birds |
| Willow flycatcher (Empidonax traillii) | Birds |
| Wilson's warbler (Cardellina pusilla) | Birds |
| Winged floater (Anodonta nuttalliana) | Molluscs |
| Wolf eel (Anarrhichthys ocellatus) | Fish |
| Wolverine (Gulo gulo luscus) | Mammals |
| Wood duck (Aix sponsa) | Birds |
| Woodhouse's toad (Anaxyrus woodhousii) | Amphibians |
| Woodland caribou (Rangifer tarandus) | Mammals |
| Yellow bullhead (Ameiurus natalis) | Fish |
| Yellow perch (Perca flavescens) | Fish |
| Yellow warbler (Setophaga petechia) | Birds |
| Yellow-bellied marmot (Marmota flaviventris) | Mammals |
| Yellow-bellied sapsucker (Sphyrapicus varius) | Birds |
| Yellow-billed cuckoo (Coccyzus americanus) | Birds |