New Documentaries 2018 – Unbelievable Hidden Wildlife Nature Earth | Documentary [BBC Documentary] (VIDEO)

New Documentaries 2018 – Unbelievable Hidden Wildlife Nature Earth | Documentary [BBC Documentary]

The Arctic consists of the Arctic Ocean, adjacent seas, and parts of Alaska (United States), Finland, Greenland (Denmark), Iceland, Northern Canada, Norway, Russia and Sweden. Land within the Arctic region has seasonally varying snow and ice cover, with predominantly treeless permafrost (permanently frozen underground ice)-containing tundra.

Arctic seas contain seasonal sea ice in many places.

The Arctic region is a unique area among Earth’s ecosystems. For example, the cultures in the region and the Arctic indigenous peoples have adapted to its cold and extreme conditions.

In recent years, Arctic sea ice decline has been caused by global warming.

Life in the Arctic includes organisms living in the ice, zooplankton and phytoplankton, fish and marine mammals, birds, land animals, plants and human societies.

Arctic land is bordered by the subarctic. the Arctic hare, lemming, muskox, and caribou. They are preyed on by the snowy owl, Arctic fox, Grizzly bear, and Arctic wolf.

The polar bear is also a predator, though it prefers to hunt for marine life from the ice. There are also many birds and marine species endemic to the colder regions. Other terrestrial animals include wolverines, moose, Dall sheep, ermines, and Arctic ground squirrels.

Marine mammals include seals, walrus, and several species of cetacean—baleen whales and also narwhals, killer whales, and belugas. An excellent and famous example of a ring species exists and has been described around the Arctic Circle in the form of the Larus gulls.