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 |
|---|---|
| Widow Rockfish (Sebastes entomelas) | Fish |
| Wild turkey (Meleagris gallopavo) | 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 |
| Yellow-billed cuckoo (Coccyzus americanus) | Birds |
| Yelloweye Rockfish (Puget Sound/Georgia Basin DPS) (Sebastes ruberrimus) | Fish |
| Yellowmouth rockfish (Sebastes reedi) | Fish |
| Yellowpatch skipper (Polites coras) | Butterflies and moths |
| Yellowstar northern caddisfly (Limnephilus flavastellus ) | Arthropods |
| Yellowtail amberjack (Seriola lalandi) | Fish |
| Yellowtail Rockfish (Sebastes flavidus) | Fish |
| Yelm pocket gopher - Mazama species (Thomomys mazama yelmensis) | Mammals |
| Yosemite springfly (Megarcys yosemite) | Arthropods |
| Yuma myotis (bat) (Myotis yumanensis) | Mammals |
| Yuma skipper (Ochlodes yuma) | Butterflies and moths |