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 |
|---|---|
| Bighorn sheep (Ovis canadensis) | Mammals |
| Black bear (Ursus americanus) | Mammals |
| Black bullhead (Ameiurus melas) | Fish |
| Black crappie (Pomoxis nigromaculatus) | Fish |
| Black oystercatcher (Haematopus bachmani) | Birds |
| Black Rockfish (Sebastes melanops) | Fish |
| Black scoter (Melanitta nigra) | Birds |
| Black swift (Cypseloides niger) | Birds |
| Black tern (Chlidonias niger) | Birds |
| Black-backed woodpecker (Picoides arcticus) | Birds |
| Black-crowned night-heron (Nycticorax nycticorax) | Birds |
| Black-necked stilt (Himantopus mexicanus) | Birds |
| Black-tailed jackrabbit (Lepus californicus) | Mammals |
| Blackgill rockfish (Sebastes melanostomus) | Fish |
| Blue catfish (Ictalurus furcatus) | Fish |
| Blue rockfish (Sebastes mystinus) | Fish |
| Blue shark (Prionace glauca) | Fish |
| Blue whale (Balaenoptera musculus) | Mammals |
| Blue-gray taildropper (slug) (Prophysaon coeruleum) | Molluscs |
| Bluegill (Lepomis macrochirus) | Fish |
| Bluntnose sixgill shark (Hexanchus griseus) | Fish |
| Bobcat (Lynx rufus) | Mammals |
| Bobolink (Dolichonyx oryzivorus) | Birds |
| Bocaccio Rockfish (Sebastes paucispinis) | Fish |
| Boreal chickadee (Poecile hudsonicus) | Birds |