Alaska is the northwestern most part of North America. Reptiles and amphibians are not common in Alaska due to them being cold-blooded. Alaska has four reptile species and eight amphibian species. Two of these species are introduced. There are no snakes or lizards in Alaska. [1]
Order: Testudines - turtles and tortoises
Family: Cheloniidae - typical sea turtles
Image | Common name | Scientific name | Status | Notes | Distribution |
---|---|---|---|---|---|
| Loggerhead sea turtle | Caretta caretta (Linnaeus, 1758) | VU [2] | Two sightings between 1960 and 2007 [3] | Gulf of Alaska |
![]() | Green sea turtle | Chelonia mydas (Linnaeus, 1758) | EN [4] | 15 sightings between 1960 and 2007 [5] | Gulf of Alaska |
![]() | Olive ridley sea turtle | Lepidochelys olivacea (Eschscholtz, 1829) | VU [6] | Three sightings between 1960 and 2007 [7] | Gulf of Alaska |
Family: Dermochelyidae - leatherback sea turtles
Image | Common name | Scientific name | Status | Notes | Distribution |
---|---|---|---|---|---|
| Leatherback sea turtle | Dermochelys coriacea (Vandelli, 1761) | VU [8] | 19 sightings between 1960 and 2007 [9] | Gulf of Alaska, Bristol Bay, southernmost of Bering Sea |
Order: Anura - frogs and toads
Family: Bufonidae - true toads
Image | Common name | Scientific name | Status | Notes | Distribution |
---|---|---|---|---|---|
| Western toad | Anaxyrus boreas (Baird & Girard, 1852) | LC [10] | Southeast Alaska north to Prince William Sound |
Family: Hylidae - tree frogs
Image | Common name | Scientific name | Status | Notes | Distribution |
---|---|---|---|---|---|
![]() | Pacific chorus frog | Pseudacris regilla (Baird & Girard, 1852) | LC [11] | Introduced to Alaska | Southern Revillagigedo Island [1] and north of the city of Sitka on the Sitka Sound and north of Juneau [12] |
Family: Ranidae - true frogs
Image | Common name | Scientific name | Status | Notes | Distribution |
---|---|---|---|---|---|
![]() | Wood frog | Lithobates sylvaticus (Le Conte, 1825) | LC [13] | Sometimes placed in genus Rana [14] | Statewide, except extreme north, Alaska Peninsula, and Aleutian Islands |
| Northern red-legged frog | Rana aurora (Baird & Girard, 1852) | LC [15] | Introduced to Alaska. Sometimes placed in genus Amerana [16] | Introduced to northeastern Chichagof Island [1] |
![]() | Columbia spotted frog | Rana luteiventris Thompson, 1913 | LC [17] | Sometimes placed in genus Amerana [16] | Southeast Alaska |
Order: Caudata - newts and salamanders
Family: Ambystomatidae - mole salamanders
Image | Common name | Scientific name | Status | Notes | Distribution |
---|---|---|---|---|---|
![]() | Northwestern salamander | Ambystoma gracile (Baird, 1859) | LC [18] | Southern Southeast Alaska | |
| Long-toed salamander | Ambystoma macrodactylum Baird, 1850 | LC [19] | subspecies Ambystoma macrodactylum columbianum [20] | Southern Southeast Alaska |
Family: Salamandridae - newts
Image | Common name | Scientific name | Status | Notes | Distribution |
---|---|---|---|---|---|
![]() | Rough-skinned newt | Taricha granulosa (Skilton, 1849) | LC [21] | Southeast Alaska |
Two species are alleged to occur naturally in Alaska, but are not officially confirmed. [1]
Additionally, the tailed frog, Ascaphus truei, occurs in British Columbia until the Portland Inlet, [22] and may occur in southernmost Alaska. [1]
{{cite journal}}
: CS1 maint: multiple names: authors list (link)