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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 ...
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.
Pacific tree frog. The Pacific tree frog (Pseudacris regilla), also known as the Pacific chorus frog, has a range spanning the Pacific Northwest, from Northern California, Oregon, and Washington to British Columbia in Canada and extreme southern Alaska. [2] They live from sea level to more than 10,000 feet in many types of habitats, reproducing ...
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 ...
The Yukon River Basin is located between the Yukon Territory in Canada and Alaska in the United States, with a small portion in British Columbia, Canada. This basin is made up of 13 other individual basins that drain into the Yukon River and other adjoining rivers and tributaries. The Yukon River Basin is 330,000 square miles (850,000 km 2) in ...
A tree frog (or treefrog) is any species of frog that spends a major portion of its lifespan in trees, known as an arboreal state. [1] Several lineages of frogs among the Neobatrachia suborder have given rise to treefrogs, although they are not closely related to each other. Millions of years of convergent evolution have resulted in very ...
Rana (derived from Latin rana, meaning 'frog') is a genus of frogs commonly known as the Holarctic true frogs, pond frogs or brown frogs. Members of this genus are found through much of Eurasia and western North America. Many other genera were formerly included here. [1][2] These true frogs are usually largish species characterized by their ...
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 ...