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The only species of toad in Alaska is the western toad. There are over 3,000 recorded species of marine macroinvertebrates inhabiting the marine waters, the most common being the various species of shrimp, crab, lobster, and sponge.
With 112 mammal species, Alaska ranks 12th of the 50 U.S. states in mammalian diversity. [1] Not included in this list is the Steller's sea cow , an extinct sirenian that was once native to Alaska's Aleutian Islands before being hunted to extinction in 1768.
Two more dominant species found in the Marine West Coast Forest are the gray wolf and grizzly bears. Grizzly bears provide a connection between the marine coast and the forests when they eat nitrogen-rich salmon and transfer the nutrients to the forests. The Pacific salmon provide strong sources of nitrogen for the aquatic ecosystems.
Marine mammals comprise over 130 living and recently extinct species in three taxonomic orders. The Society for Marine Mammalogy, an international scientific society, maintains a list of valid species and subspecies, most recently updated in October 2015. [1] This list follows the Society's taxonomy regarding and subspecies.
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]
Marine animals thrive in the Arctic. There are 12 species of marine mammals of the Arctic found in the refuge. They consist of four species of whales, polar bears, the walrus and six species of ice-associated seals, sperm whales, blue whales, fin whales, humpback whales, killer whales, Harbor Porpoise.
The refuge has only six native species of mammals: Kodiak bear, red fox, river otter, ermine, little brown bat and tundra vole. The non-native mammals Sitka black-tailed deer , mountain goat , Roosevelt elk , caribou , marten , red squirrel , snowshoe hare , and beaver were introduced to the archipelago between the 1920s and 1950s and are now ...
The willow ptarmigan is the state bird of Alaska. The list of birds of Alaska includes every wild bird species recorded in the U.S. state of Alaska, based on the list published by the Alaska Checklist Committee. As of January 2022, there were 534 species on the official list. Of them, 55 are considered rare, 149 are casual, and 79 are accidental, all as defined below. Another 18 and a species ...