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 |
|---|---|
| Red-breasted sapsucker (Sphyrapicus ruber) | Birds |
| Red-necked grebe (Podiceps grisegena) | Birds |
| Red-tailed chipmunk (Tamias ruficaudus) | Mammals |
| Red-winged blackbird (Agelaius phoeniceus) | Birds |
| Redbanded rockfish (Sebastes babcocki) | Fish |
| Redside shiner (Richardsonius balteatus) | Fish |
| Redstripe Rockfish (Sebastes proriger) | Fish |
| Redtail surfperch (Amphistichus rhodoterus) | Fish |
| Reticulate sculpin (Cottus perplexus) | Fish |
| Rex sole (Glyptocephalus zachirus) | Fish |
| Rhinocerous auklet (Cerorhinca monocerata) | Birds |
| Riffle sculpin (Cottus gulosus) | Fish |
| Ring-necked pheasant (Phasianus colchicus) | Birds |
| Ring-necked snake (Diadophis punctatus) | Reptiles |
| River lamprey (Lampetra ayresii) | Fish |
| River otter (Lontra canadensis) | Mammals |
| Roadside skipper (Amblyscirtes vialis) | Butterflies and moths |
| Rock bass (Ambloplites rupestris) | Fish |
| Rock greenling (Hexagrammos lagocephalus) | Fish |
| Rock sandpiper (Calidris ptilocnemis) | Birds |
| Rockfish hybrids (Sebastes spp.) | Fish |
| Rocky Mountain elk (Cervus elaphus nelsoni) | Mammals |
| Rocky mountain mule deer (Odocoileus hemionus hemionus) | Mammals |
| Rocky Mountain tailed frog (Ascaphus montanus) | Amphibians |
| Roosevelt elk (Cervus elaphus roosevelti) | Mammals |