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 |
|---|---|
| Dover sole (Microstomus pacificus) | Fish |
| Dreamy duskywing (Erynnis icelus) | Butterflies and moths |
| Dry Land Forestsnail (Allogona ptychophora solida) | Molluscs |
| Dungeness crab (Cancer magister) | Crustaceans |
| Dunn's salamander (Plethodon dunni) | Amphibians |
| Dusky Canada goose (Branta canadensis occidentalis) | Birds |
| Dwarf wrymouth (Cryptacanthodes aleutensis) | Fish |
| Eastern cottontail (rabbit) (Sylvilagus floridanus) | Mammals |
| Eastern fox squirrel (Sciurus niger) | Mammals |
| Eastern gray squirrel (Sciurus carolinensis) | Mammals |
| Eastern tiger swallowtail (Papilio glaucus canadensis) | Butterflies and moths |
| Edith's copper (Lycaena editha editha) | Butterflies and moths |
| Egleis fritillary (Speyeria egleis mcdunnoughi) | Butterflies and moths |
| Elk (Cervus canadensis) | Mammals |
| English sole (Parophrys vetulus) | Fish |
| Ensatina (Ensatina eschscholtzii ) | Amphibians |
| Eulachon smelt (Southern DPS) (Thaleichthys pacificus) | Fish |
| Ferruginous hawk (Buteo regalis) | Birds |
| Fin whale (Balaenoptera physalus) | Mammals |
| Fisher (Pekania pennanti) | Mammals |
| Flammulated owl (Psiloscops flammeolus) | Birds |
| Flathead catfish (Pylodictis olivaris) | Fish |
| Flathead sole (Hippoglossoides elassodon) | Fish |
| Foolish mussel (Mytilus trossulus) | Molluscs |
| Forbidden free-living caddisfly (Rhyacophila vetina ) | Arthropods |