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The food-free season can last 3 to 4 months -- or even longer in areas like Canada's Hudson Bay. Seals are a particularly energy-rich food source, especially for hungry mothers and their growing cubs.
A 121-pound seal can provide 8 days worth of energy - but the bear needs to eat much more in order to store up reserves.
When there are plenty of seals, adult polar bears only eat the fat, leaving the carcass for scavengers such as foxes, ravens and younger bears. The polar bear often relies on "still hunting" -- patiently waiting next to a hole in the ice until it senses a surfacing seal. Using its sense of smell, the polar bear will locate seal birth lairs, and then break through the lair's roof in order to catch its prey. Polar bear (Ursus maritimus) carrying the remains of a seal carcass, Spitsbergen, Svalbard, Norway. They will happily feed on the carcasses of beluga whales, grey whales, walruses, narwhals and bowhead whales when available.
The adolescent polar bear often has to scavenge on the carcasses of other bears' kills while learning to develop its own hunting skills. The bear's digestive system absorbs approximately 84% of the protein and 97% of the fat it consumes. Fight the destructive harvesting and unregulated trade of one of the most attractive inhabitants of our tropical oceans. When you work with WWF to build a future in which humans live in harmony with nature, you give your child, and all children around the world, a chance to get to discover our earth as we know it today. The Arctic tundra is a brutal environment for any life, including the Arctic or snowshoe hares that inhabit it. Arctic WolfThe Arctic wolf is a subspecies of the gray wolf that lives in the Arctic tundra regions of North America and Greenland. Arctic FoxArctic foxes rely heavily on rabbits for sustenance, as well as other regional rodents, birds and fish.
GyrfalconOf the 11 bird species that stick around the Arctic tundra all year long, gyrfalcons pose perhaps the most significant threat to rabbits on the ground.
Snowy OwlThe snowy owl is the other predatory bird that snacks on rabbits in the Arctic tundra. The third way they communicate is by creating a pile of rocks and twigs to show that they are living near. We now know dives last around 25 minutes, including the time spent at the bottom and the trip down and back from the surface.

Countries on the Scandiavian peninsula including Norway, Denmark, Sweden, Iceland and Finland. Many names for the polar bear (here you can find our Polar Bear photos) exist amongst the peoples who live near it: Lord of the Arctic, God's Dog, Old Man in the Fur Cloak, White Bear, Ice Bear, Sea Bear, IsBjorn, even White Sea Deer as well as many others. Because they are linked inextricably to the sea in pursuing their food, the lives of polar bear are spent near or on pack ice.
On land, most terrestrial mammals can evade the polar bear by being faster and outrunning it as the bear quickly becomes over-heated and must stop.
In their sleeping habits, they are much like humans; they sleep for about 7 hours at a time and they also like to nap. Polar bears have been assessed as having a high level of intelligence; for communicating with other bears, both body language and the vocalization of sounds are used. With eight of the nineteen populations of polar bear declining in numbers, the polar bear has now been classified as a vulnerable species. The terminology used to describe the state of the polar bears' status as a species in the different countries where the polar bear resides differs, but the meaning is about the same. The polar bear is an important animal to the Inuit and other indiginous peoples of the north, not only because of its economic uses but also because of its spiritual significance in their culture. Because the polar bear's body requires a diet based on large amounts of seal fat, they are the most carnivorous member of the bear family. The bear puts on most of its yearly fat reserves between late April and mid-July to maintain its weight in the lean seasons.
As the Arctic warms due to climate change, the ice pack is forming later in the season, and bears must wait longer to begin hunting again. WWF has worked with the community of Arviat to reduce conflict between polar bears and people. Temperatures are well below freezing much of the year, and there's little vegetation on which to feed. These creatures have the fortunate distinction of being the only wolf sub-species that isn't classified as threatened or endangered. They are hardy critters built to withstand the cold, and they make their homes in underground burrows for shelter.
People have sold their tusks for a lot of money.  They tell people the tusk belonged to a unicorn! They usually stay within 180 miles of shore but have been known to drift with the ice well beyond that range.
These wolves are prime threats to rabbits, possessing the physical capabilities to catch them and a definite taste for them.

Like Arctic wolves and many other tundra animals, these foxes have white fur that provides camouflage. They prefer to eat smaller birds like ptarmigans and waterfowl, but rabbits, voles and other rodents certainly aren't passed up.
He attended the University of Pittsburgh for English literature and San Francisco State University for creative writing. Arctic foxes live in burrows, and in a blizzard they may tunnel (burrow) into the snow to make a shelter.
A fawn has spots on its back that make it look like the ground with leaves or dappled light. The species is found throughout the North of five countries: Canada, Denmark (Greenland), Norway, Russia and the United States (Alaska). They typically reach about 2 to 4 feet from head to tip of tail and weigh somewhere in the vicinity of 12 pounds. The sea ice provides easy access to their prey and the bears must follow the sea ice to eat. In Canada, for a few weeks, the polar bear gather at Churchill, Manitoba, to await the formation of the ice in Hudson's Bay, when they can go out again to live and to hunt.
Arctic wolves have white coats that help them blend in with their snowy surroundings and they grow to about 5 feet long and weigh about 130 pounds. Lemmings are the primary source of sustenance for these patient perch hunters, but they often supplement with rabbits and other rodents, as well as fish and smaller birds. When a preditor appoaches the caribou will put his tail in the air, hold his head high, and run.
That means you put a sleeve around the muzzle of the animal that keeps it from opening its mouth.
They can wait patiently for hours at a seal's breathing hole for it to appear before attacking and scooping the seal onto the ice where they snatch the head in its jaws, crushing it.
This research and cooperation is likely the largest hope we have for the survival of the polar bear species.
So sometimes people see a herd of caribou paying no attention when a wolf walks through the herd. The aerodynamic shape of the head and body result in  excellent swimming and diving ability, cutting through the water cleanly and with seemingly little effort.

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