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 |
|---|---|
| Little brown bat (Myotis lucifugus) | Mammals |
| Loggerhead sea turtle (Caretta caretta) | Reptiles |
| Loggerhead shrike (Lanius ludovicianus) | Birds |
| Long-billed curlew (Numenius americanus) | Birds |
| Long-dash skipper (Polites mystic ssp.) | Butterflies and moths |
| Long-legged myotis (bat) (Myotis volans) | Mammals |
| Long-tailed duck (Clangula hyemalis) | Birds |
| Long-toed salamander (Ambystoma macrodactylum) | Amphibians |
| Longnose skate (Raja rhina) | Fish |
| Longspine thornyhead rockfish (Sebastolobus altivelis) | Fish |
| Lustrous copper (Lycaena cuprea henryae) | Butterflies and moths |
| Makah copper spp. (Tharsalea mariposa spp.) | Butterflies and moths |
| Manila (littleneck) clam (Ruditapes philippinarum) | Molluscs |
| Mann's mollusk-eating ground beetle (Scaphinotus mannii) | Arthropods |
| Marbled godwit (Limosa fedoa) | Birds |
| Marbled murrelet (Brachyramphus marmoratus) | Birds |
| Mardon skipper (Polites mardon) | Butterflies and moths |
| Margined sculpin (Cottus marginatus) | Fish |
| Masked duskysnail (Amnicola limosa) | Molluscs |
| Mayfly - Cinygmula gartrelli ( Cinygmula gartrelli ) | Arthropods |
| Mayfly - Paraleptophlebia falcula (Paraleptophlebia falcula ) | Arthropods |
| Mayfly - Paraleptophlebia jenseni (Paraleptophlebia jenseni ) | Arthropods |
| Mayfly - Siphlonurus autumnalis (Siphlonurus autumnalis ) | Arthropods |
| Mazama pocket gopher (Thomomys mazama) | Mammals |
| Meadow fritillary (Boloria bellona toddi) | Butterflies and moths |