This is a list of reptiles found in the US state of Washington.[1]
| Common name | Scientific name | Conservation status | Description | Photograph | |
|---|---|---|---|---|---|
| Pygmy short-horned lizard | Phrynosoma douglasii | Not evaluated | Maximum size is approximately 65mm.[2] | ||
| Sagebrush lizard | Sceloporus graciosus | Least concern | Adults reach up to 60mm | ||
| Side-blotched lizard | Uta stansburiana | Least concern | Adults reach 55mm. | ||
| Western fence lizard | Sceloporus occidentalis | Least concern | Adults approximately 5.6cm-8.7cmcm (02.2inches-03.4inchescm) |
| Common name | Scientific name | Conservation status | Description | Photograph | |
|---|---|---|---|---|---|
| Northern alligator lizard | Elgaria coerulea | Least concern | Maximum size is 100mm. | ||
| Southern alligator lizard | Elgaria multicarinata | Least concern | Adults are approximately 141mm. |
| Common name | Scientific name | Conservation status | Description | Photograph | |
|---|---|---|---|---|---|
| California mountain kingsnake | Lampropeltis zonata | Least concern | Nonvenomous; adults reach 50cm–100cmcm (20inches–00inchescm). | ||
| Common garter snake | Thamnophis sirtalis | Least concern | Nonvenomous; adults reach up to 137.2cm (54inches) | ||
| Bull snake (Great Basin gopher snake) | Pituophis catenifer deserticola | Least concern | Nonvenomous, but can be aggressive; adults reach 180cm (70inches). | ||
| Gopher snake (Pacific gopher snake) | Pituophis catenifer catenifer | Not evaluated | |||
| Night snake | Hypsiglena torquata | Least concern | Mildy venomous; adults usually less than 46cm (18inches) | ||
| Northwestern garter snake | Thamnophis ordinoides | Least concern | Nonvenomous; adults rarely exceed 60cm (20inches) | ||
| Racer | Coluber constrictor | Least concern | Nonvenomous; adults reach 50cm–152cmcm (20inches–60inchescm) | ||
| Ringneck snake | Diadophis punctatus | Least concern | Mildly venomous; adults rarely exceed 55cm (22inches) | ||
| Sharptail snake | Contia tenuis | Least concern | Nonvenomous; adults usually less than 30cm (10inches) | ||
| Striped whipsnake | Masticophis taeniatus | Least concern | Nonvenomous; adults reach 90cm–180cmcm (40inches–70inchescm) | ||
| Western terrestrial garter snake | Thamnophis elegans | Least concern | Nonvenomous; adults reach 97cm (38inches) |
| Common name | Scientific name | Conservation status | Description | Photograph | |
|---|---|---|---|---|---|
| Painted turtle | Chrysemys picta | Least concern | Adults are 6cm-25cmcm (02inches-10inchescm). | ||
| Pond slider | Trachemys scripta | Least concern | Non-native species. Adults are approximately 8.9cm-36.8cmcm (03.5inches-14.5inchescm). | ||
| Western pond turtle | Actinemys marmorata or Emys marmorata | Vulnerable | Adults are approximately 9cm-19cmcm (04inches-07inchescm) carapace length. |
| Common name | Scientific name | Conservation status | Description | Photograph | |
|---|---|---|---|---|---|
| Green turtle | Chelonia mydas | Endangered | Adults are 78–112 cm (31–44 in) | ||
| Loggerhead sea turtle | Caretta caretta | Vulnerable | Adults are 90 cm (35 in) | ||
| Olive ridley sea turtle | Lepidochelys olivacea | Vulnerable | Adults are about 61 cm (2 ft) |