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Alaska has two species of frogs. They are the Columbia spotted frog and wood frog. Alaska also is inhabited by two introduced frog species, the Pacific tree frog (also referenced as the Pacific chorus frog), and the red-legged frog. [1] The only species of toad in Alaska is the western toad. [30]
The little brown bat is the most common and widespread bat in Alaska. [7] As with other myotis species in Alaska, little brown bats often roost in abandoned buildings and old mines; they may also be found roosting alone in trees or rock crevices. [7] Little brown bats have been observed hibernating in Southeast Alaska and Kodiak Island. [7]
This is a hilly area that lies between the boggier Arctic coastal tundra to the north and the Brooks Range to the south, and stretching from the Chukchi Sea east across northern Alaska to the border with Canada's Yukon Territory. The Noatak River valley is the only forested area. [2]
90% of natural habitat remains intact, except for the vicinity of Utqiaġvik, Alaska and the oil fields of Prudhoe Bay, Alaska and Kuparuk which are expanding along the coast and may in future spread into the Arctic National Wildlife Refuge, which is the only major protected area on this coast (see Arctic Refuge drilling controversy), and on ...
At higher elevations this ecoregion has a tundra climate (Köppen ET ) with cold summers and very cold winters. Annual precipitation ranges from about 2,000 mm (79 in) to over 7,000 mm (280 in), the majority of which falls as snow .
The Brooks–British Range tundra extends east and west along the Brooks Range which runs across northern Alaska and northeastern Yukon Territory.The Brooks Range is divided into western and eastern sections by the Anaktuvuk Pass.
The slopes are covered with a variety of lichens and other tundra plants, depending on altitude and drainage. The low-lying, wetter areas are similar to the surrounding Beringia lowland tundra ecoregion but the uplands are generally drier and dominated by sedges such as Eriophorum vaginatum and scrub such as the ericas Arctostaphylos alpina, Vaccinium vitis-idaea or Empetrum nigrum or mountain ...
This is a largely unspoilt environment home to large predators, although there is some development associated with tourism, especially at Kantishna near Denali Park, and some mining activity including the abandoned copper mining camp of Kennecott, Alaska in the Wrangell Mountains and coal mining at Nabesna and Healy, Alaska.