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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]
The Alaskan waters are home to two species of turtles, the leatherback sea turtle and the green sea turtle. Alaska has two species of frogs, the Columbia spotted frog and wood frog, plus two introduced species, the Pacific tree frog and the red-legged frog. [1] The only species of toad in Alaska is the western toad.
However, wood frogs in Interior Alaska exhibit even greater tolerance, with some of their body water freezing while still surviving. Wood frogs in natural hibernation remain frozen for 193 +/- 11 consecutive days and reached an average (October–May) temperature of −6.3 °C (20.7 °F) and an average minimum temperature of −14.6 ± 2.8 °C ...
These frogs (if one includes the two very closely related species, as discussed above) are the most common frogs on the West Coast of North America. Although Pacific tree frogs remain abundant, some other species found in the same areas, such as California red-legged frogs, are declining. Most populations of tree frogs appear healthy, and they ...
Some 50 to 100 extant species are now placed in this genus by various authors; many other species formerly placed in Rana are now placed elsewhere. Frost [3] restricted Rana to the Old World true frogs and the Eurasian brown and pond frogs of the common frog R. temporaria group, [4] although other authors disagreed with this arrangement.
Frog calls sound similar to boatswain whistle and tricorder from Star Trek series, researchers say Mysterious new frog species found to croak like ‘Star Trek’ special effects Skip to main content
Typically, true frogs are smooth and moist-skinned, with large, powerful legs and extensively webbed feet. The true frogs vary greatly in size, ranging from small—such as the wood frog (Lithobates sylvatica)—to large. Many of the true frogs are aquatic or live close to water. Most species lay their eggs in the water and go through a tadpole ...
Pseudacris (commonly known as the chorus frogs) is a genus of frogs in the family Hylidae found in North America ranging from the Pacific coastline to the Atlantic.. The name of the genus comes from the Greek pseudes (false) and akris (), probably a reference to the repeated rasping trill of most chorus frogs, which is similar to that of the insect.