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Polar bear


Polar bear
Photo Information
Copyright: Martin Valliere (marval) Silver Star Critiquer/Silver Note Writer [C: 10 W: 0 N: 19] (160)
Genre: Animals
Medium: Color
Date Taken: 2005-07
Categories: Mammals
Camera: Pentax SF 10, Pentax FA 80-320mm/1:4.5-5.6
Photo Version: Original Version
Date Submitted: 2005-09-18 12:47
Viewed: 3755
Points: 0
[Note Guidelines] Photographer's Note [French]
(Ursus maritimus)

Polar bears have a circumpolar distribution. They range throughout the arctic region surrounding the North Pole. The limits of their range are determined by the ice pack of the Arctic Ocean and the landfast ice of surrounding coastal areas. Bears have been reported as far south as the southern tips of Greenland and Iceland. During the winter, polar bears will range along the southern edge of the ice pack or northern edge of ice formed off the coasts of the continents. Pregnant females will overwinter on the coastlines where denning habitat is available for bearing young. During the summer, bears will remain at the edge of the receding ice pack or on islands and coastal regions that retain landfast ice. Six different populations are recognized as: Wrangel Island and western Alaska, northern Alaska, the Canadian Arctic archipelago, Greenland, Svalbard-Franz Josef Land, and Central Siberia.


source :
http://animaldiversity.ummz.umich.edu/site/accounts/information/Ursus_maritimus.html


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