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 |
|---|---|
| Tree swallow (Tachycineta bicolor) | Birds |
| Trumpeter swan (Cygnus buccinator) | Birds |
| Tufted puffin (Fratercula cirrhata) | Birds |
| Tui chub (Siphateles bicolor) | Fish |
| Tundra swan (Cygnus columbianus) | Birds |
| Turkey vulture (Cathartes aura) | Birds |
| Umatilla dace (Rhinichthys umatilla) | Fish |
| Unknown Oregonian (snail) (Cryptomastix mullani hemphilli) | Molluscs |
| Upland sandpiper (Bartramia longicauda) | Birds |
| Valley silverspot (Argynnis zerene bremnerii) | Butterflies and moths |
| Van Dyke's salamander (Plethodon vandykei) | Amphibians |
| Vaux's swift (Chaetura vauxi) | Birds |
| Vermilion rockfish (Sebastes miniatus) | Fish |
| Vesper sparrow (Pooecetes gramineus) | Birds |
| Viceroy (Limenitis archippus lahontani) | Butterflies and moths |
| Violet-green swallow (Tachycineta thalassina) | Birds |
| Virginia rail (Rallus limicola) | Birds |
| Walleye (Sander vitreus) | Fish |
| Walleye pollock (Gadus chalcogrammus) | Fish |
| Walleye pollock (South Puget Sound) (Gadus chalcogrammus) | Fish |
| Warbling vireo (Vireo gilvus) | Birds |
| Warmouth (Lepomis gulosus) | Fish |
| Washington ground squirrel (Urocitellus washingtoni) | Mammals |
| Wenatchee forestfly (Malenka wenatchee) | Arthropods |
| Western barn owl (Tyto alba) | Birds |