Nothing says "High Arctic" like the sighting of a POLAR BEAR (Ursus maritimus).
Icon in an extreme environment, poster species for global warming, the Polar Bear lives in a world that straddles land and sea.
Icon in an extreme environment, poster species for global warming, the Polar Bear lives in a world that straddles land and sea.
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Polar Bears are primarily marine creatures, living in a world of sea and ice, depending largely on seals for their prey.
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The images above, copyright Lisa Strim, Adam Rheborg. Image below, copyright, Morten Joergensen. Please do not use without permission.
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The massive body encased in a thick layer of blubber. It has white fur throughout the year in aid of cryptic coloration - camouflage. The long guard hairs form a watertight outer coat over a soft and fluffy undercoat which traps a layer of air against the skin; this allows it to swim well without getting wet to the skin.
Its long legs are covered with dense fur and its large feet are covered with fine hair even to the toes and the soles are densely hairy.
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Polar Bears are solitary by nature, although they may gather in numbers to feed on prey. They court in the spring, but after copulation in the summer, the male takes no further part in the process. Implantation is delayed, and the female takes to a den excavated in the snow in late October. One, sometimes two, helplessly weak cubs are born in the den in December. They are blind and almost naked, but their diet of rich milk — 30% butterfat — means that by the time the mother breaks free in April, the cubs have increased from birth weight of 1.5 lbs. to 25 lbs. At this time, conveniently, Ringed Seals have given birth and are at their most abundant and most vulnerable.
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You are invited to join me on Shearwater Journeys' charter expedition voyage to Svalbard's High Arctic, July 8 - 18, 2013.
Polar Bears Forever,
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