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 |
|---|---|
| Northern alligator lizard (Elgaria coerulea) | Reptiles |
| Northern bog lemming (Synaptomys borealis) | Mammals |
| Northern cloudy wing (Thorybes pylades) | Butterflies and moths |
| Northern desert nightsnake (Hypsiglena chlorophaea deserticola) | Reptiles |
| Northern flicker (Colaptes auratus) | Birds |
| Northern flying squirrel (Glaucomys sabrinus) | Mammals |
| Northern forestfly (Lednia borealis) | Arthropods |
| Northern grasshopper mouse (Onychomys leucogaster) | Mammals |
| Northern leopard frog (Lithobates [Rana] pipiens) | Amphibians |
| Northern pikeminnow (Ptychocheilus oregonensis) | Fish |
| Northern pocket gopher (Thomomys talpoides) | Mammals |
| Northern red-legged frog (Rana aurora) | Amphibians |
| Northern rock sole (Lepidopsetta polyxystra) | Fish |
| Northern Rocky Mountains refugium caddisfly (Goereilla baumanni ) | Arthropods |
| Northern rubber boa (Charina bottae) | Reptiles |
| Northern sagebrush lizard (Sceloporus graciosus) | Reptiles |
| Northern shoveler (Anas clypeata) | Birds |
| Northern spotted owl (Strix occidentalis caurina) | Birds |
| Northern waterthrush (Seiurus noveboracensis) | Birds |
| Northwestern gartersnake (Thamnophis ordinoides) | Reptiles |
| Northwestern pond turtle (Actinemys marmorata) | Reptiles |
| Northwestern salamander (Ambystoma gracile) | Amphibians |
| Nuttall's cockle (clam) (Clinocardium nuttallii) | Molluscs |
| Nuttall's cottontail (rabbit) (Sylvilagus nuttallii) | Mammals |
| Ocean Pink shrimp (Pandalus jordani) | Crustaceans |