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  • A radio collared polar bear makes its way across the broken ice pack of the Beaufort Sea. Arctic Ocean
    D232988 Polar Bear.jpg
  • Dr. Steve Amstrup, USGS biologist, takes the skull measurement of a large male polar bear on the ice pack of the Beaufort Sea. A group of biologists lead by Dr. Amstrup, head to the Beaufort Sea pack ice each year to collect data on this region's polar bear population. I spent two weeks helping them with their research and documenting their project. This is part of the Tri-P, Polar Population Project, sponsored in part by Polar Bears International to census Arctic regions for an accurate count of the world's remaining polar bears
    D124909.jpg
  • Polar bears (Ursus maritimus) play fighting. Cape Churchill, Manitoba, Canada
    D145765.jpg
  • Polar Bears International House and education center in Churchill, Manitoba, Canada.
    D1649702.jpg
  • A polar bear (Ursus maritimus) makes tracks in the snow. These tracks are important for being able to find the bears on the ice for darting and capturing. Kaktovik, Alaska
    D125422.jpg
  • Large male polar bears (Ursus maritimus) play fighting in Churchill, Manitoba, Canada.
    00473-05308.jpg
  • A polar bear (Ursus maritimus) makes tracks in the snow. These tracks are important for being able to find the bears on the ice for darting and capture for scientific research.
    D125911.jpg
  • The Polar Bears International House in Churchill, Manitoba, Canada.
    D1653690.jpg
  • The Polar Bears International House in Churchill, Manitoba, Canada.
    D1653678.jpg
  • The Polar Bears International House in Churchill, Manitoba, Canada.
    D1653670.jpg
  • The Polar Bears International House in Churchill, Manitoba, Canada.
    D1653655.jpg
  • Two polar bears (Ursus maritimus) wrestling in Churchill, Manitoba, Canada.
    00473-39306.jpg
  • Polar bear mother and cubs. Canada
    00473-43617.jpg
  • Close up of two polar bears playing in Cape Churchill, Manitoba, Canada.
    D00041052.jpg
  • Polar bear (Ursus maritimus) mother with cubs. Churchill, Manitoba, Canada
    D109111.jpg
  • Polar bear (Ursus maritimus) mother and two cubs walking on the snow pack during sunset. Manitoba, Canada
    D110186.jpg
  • Polar bear (Ursus maritimus) rolling and playing on its back. Churchill, Manitoba, Canada
    D110591.jpg
  • Polar bear (Ursus maritimus) mother and cub snuggle while resting. Churchill, Manitoba. Canada
    D00013086.jpg
  • Polar bear (Ursus maritimus) investigates a plastic bag washed up on shore. Svalbard, Norway
    D1897930.jpg
  • Polar bear (Ursus maritimus) female with a cub raiding a glacous gull (Larus hyperboreus) nest. Svalbard, Norway
    D1894007.jpg
  • A portrait of an adult polar bear (Ursus martimus) resting. Hudson Bay, Canada
    00473-06313.jpg
  • Dr. Steven Amstrup, lead scientist for the US Geological Survey, darts a female polar bear on the Beaufort Sea. Darting the bears from a helicopter can be extremely treacherous. The pilot has to hover over a running animal that is twisting and turning, dodging and ducking, an animal that feels it's running for its life. This bear is hit directly between the shoulders with an immobilizing dart. It takes anywhere from 4-15 minutes for the drug to take effect and immobilize the bear which will be out for 1-2 hours as the scientists process the data.
    D169923.jpg
  • Polar bear (Ursus maritimus) adult wandering the tundra in very warm weather, waiting for the ice to freeze, Hudson Bay, Manitoba.
    D1814825-P.jpg
  • Polar bear (Ursus maritimus) adult wandering the tundra in very warm weather, waiting for the ice to freeze, Hudson Bay, Manitoba, Canada
    D1814845.jpg
  • Polar bear (Ursus maritimus) mother with three cubs. Wapusk National Park, Manitoba, Canada
    D1853161.jpg
  • Polar bear (Ursus maritimus) scavenging the rocks for birds eggs on Fugløya Island.  Svalbard, Norway
    D1900439.jpg
  • A radio-collared polar bear (Ursus maritimus) makes its way across the broken ice pack of the Beaufort Sea. Arctic Ocean
    D232980.jpg
  • A polar bear (Ursus maritimus) on land. Svalbard, Norway
    D221411.jpg
  • Polar bear (Ursus maritimus) feeding on a walrus carcass. Svalbard, Norway
    D1892935.jpg
  • Dr Amstrup prepares to attach a GPS satellite tracking collar to an immobilized polar bear on the Beaufort Sea. The collars are placed on females exclusively since the necks of males get too large for them to work properly. The collars are a high tech way to follow these animals far out onto the ice where humans can't go. The bears are tracked by satellites which helps the scientists determine the home range of individual animals and other details about a particular bear's life such as length of time spent resting or hunting in one area.
    D171752.jpg
  • Polar bear (Ursus maritimus) adult wandering the tundra in very warm weather, waiting for the ice to freeze, Hudson Bay, Manitoba, Canada
    D1814792.jpg
  • Polar bear (Ursus maritimus) mother with cubs. Wapusk National Park, Manitoba, Canada
    D1851357.jpg
  • Polar bear (Ursus maritimus) waking from a nap after resting in the willows. Hudson Bay, Cape Churchill, Canada
    00473-51911.jpg
  • A polar bear (Ursus maritimus) makes tracks in the snow. These tracks are important for being able to find the bears on the ice for darting and capturing for scientific research.
    D125949.jpg
  • Dr. Steven C. Amstrup checks the paw of polar bear (Ursus maritimus) #20571, a large male that had been tagged years earlier. Kaktovik, Alaska
    D123973.jpg
  • Dr. Steven Amstrup and assistant Karyn Rode prepare a large male polar bear for scientific data collection they perform out on the ice of the Bering Sea. This large specimen was captured after being immobilized with a dart from a helicopter. This adult male wasn't even over 1,000 pounds, unlike many Dr. Amstrup captured in the 1980s that would tip the scales considerably over that 1,000-pound mark. Alaska
    D125246.jpg
  • Polar bears (Ursus maritimus) feeding on the carcass of a bowhead whale.(Balaena mysticetus). Kaktovik, Alaska
    D00035643.jpg
  • Polar bear (Ursus maritimus) tracks on the ice of Beaufort Sea, Alaska.
    D171935.jpg
  • Polar bear (Ursus maritimus) mother grooms her cub at Cape Churchill, Manitoba, Canada.
    D00040612.jpg
  • Greg Durner, USGS Alaska Science Center, surveying the range of denning polar bears in the Arctic National WIldlife Refuge. Alaska
    D00029394.jpg
  • Two polar bears (Ursus maritimus) wrestle during a play-fighting session along the shores of Hudson Bay near Churshill, Manitoba, Canada.
    D00039860.jpg
  • Polar bear (Ursus maritimus) on land. Svalbard, Norway
    D223968.jpg
  • A mother and cub polar bear (Ursus maritimus) traveling toward Hudson Bay pass through a spruce forest in Wapusk National Park. It's early March and the temperatures are -46F; this is the time mother and cubs merge from the den. Manitoba, Canada
    D00002431.jpg
  • Polar bear (Ursus maritimus) waiting for the ice to freeze. Cape Churchill, Manitoba, Canada
    D145957.jpg
  • Polar bear on the Barents Sea, north of Svalbard, Norway.
    D997125.jpg
  • Polar bears feeding on the carcass of a fin whale. Svalbard, Norway
    D224172.jpg
  • Polar bear (Ursus maritimus) silhouetted in the setting sun with a sundog, while crossing a frozen lake outside of Churchill, Manitoba.
    D00045991.jpg
  • A female polar bear (Ursus maritimus) comes to investigate the camera cage on Buggy One. Gordon Point on the shores of Hudson Bay near Churchill, Manitoba, Canada
    D107411.jpg
  • Polar bear (Ursus maritimus) portrait of large male near Cape Churchill, Manitoba.
    D188890.jpg
  • Polar bear (Ursus maritimus) cub holding onto a small tree.
    D164220.jpg
  • Polar bear (Ursus maritimus) mother licking her cub on the top of its head. Winter in Churchill, Manitoba, Canada
    D109812.jpg
  • Polar bear (Ursus maritimus) mother with three cubs leaving the denning grounds and heading toward Hudson Bay where the mother can start to hunt again for her new family. Wapusk National Park, Canada
    D1856222.jpg
  • A polar bear climbs out onto the sea ice near Svalbard, Norway.
    D215777.jpg
  • Two large male polar bears (Ursus maritimus) play fighting near Hudson Bay.
    D235549.jpg
  • Polar bears feeding on the carcass of a fin whale. Svalbard, Norway
    D224142.jpg
  • Polar bears (Ursus maritimus) feeding on the carcass of a bowhead whale.(Balaena mysticetus). Kaktovik, Alaska
    D00035624.jpg
  • Polar bears (Ursus maritimus) feeding on the carcass of a bowhead whale.(Balaena mysticetus). Kaktovik, Alaska
    D00035885.jpg
  • Polar bears (Ursus maritimus) feeding on the carcass of a bowhead whale.(Balaena mysticetus). Kaktovik, Alaska
    D00035640.jpg
  • Polar bears (Ursus maritimus) feeding on the carcass of a bowhead whale.(Balaena mysticetus). Kaktovik, Alaska
    D00035617.jpg
  • Polar bears (Ursus maritimus) feeding on the carcass of a bowhead whale.(Balaena mysticetus). Kaktovik, Alaska
    D00035649.jpg
  • Polar bears (Ursus maritimus) feeding on the carcass of a bowhead whale.(Balaena mysticetus). Kaktovik, Alaska
    D00035634.jpg
  • Polar bear (Ursus maritimus), Barents Sea, off of the northern coast of Norway
    D997058.jpg
  • Polar bears feeding on the carcass of a fin whale. Svalbard, Norway
    D224679.jpg
  • Polar bear (Ursus maritimus) mother and cubs Hudson Bay, Manitoba, Canada
    D139361.jpg
  • Polar bear (Ursus maritimus), Svalbard, Norway
    D1898178.jpg
  • Polar bear (Ursus maritimus) mother with three cubs leaving the denning grounds and heading toward Hudson Bay where the mother can start to hunt again for her new family. Manitoba, Canada
    D1856661.jpg
  • Geoff York, USGS biologist, and Katrina Knott, research assistant, collect data from a polar bear (Ursus maritimus) on the Beaufort Sea ice. Kaktovik, Alaska
    D123694.jpg
  • Polar bear (Ursus maritimus) mother just out of the winter den with a very young cub. Canada
    00473-48412.jpg
  • A polar bear near Svalbard, Norway.
    D215145.jpg
  • A polar bear on the pack ice near Svalbard, Norway.
    D215256.jpg
  • Polar bear on pack ice north of Svalbard, Norway.
    D994018.jpg
  • Polar bear (Ursus maritimus) hunting an open hole in the sea ice. Svalbard, Norway
    D1607434.jpg
  • Mother polar bear (Ursus maritimus) nursing cubs in willows at Hudson Bay, Canada.
    00473-39017.jpg
  • A polar bear lies next to a lead waiting for a seal to surface. Svalbard, Norway
    D216533.jpg
  • Polar bear (Ursus maritimus) hunting near an open seal hole. Svalbard, Norway
    D216096.jpg
  • Polar bear (Ursus maritimus) mother with cubs. Canada
    00473-34413.jpg
  • Polar bear (Ursus maritimus) mother with cubs. Wapusk National Park, Manitoba, Canada
    D1856900.jpg
  • Polar bear (Ursus maritimus) mother with three cubs leaving the denning grounds and heading toward Hudson Bay where the mother can start to hunt again for her new family. Manitoba, Canada
    D1856422.jpg
  • Polar bear (Ursus maritimus) mother with three cubs. Wapusk National Park, Canada
    D1856121.jpg
  • Polar bear (Ursus maritimus) mother with cubs. Wapusk National Park, Manitoba, Canada
    D1855753.jpg
  • Polar bear (Ursus maritimus) mother with cubs. Wapusk National Park, Manitoba, Canada
    D1855437.jpg
  • Polar bear (Ursus maritimus) mother with cubs. Wapusk National Park, Manitoba, Canada
    D1852280.jpg
  • BJ, Krista, and Nick hauling the remote camera for deployment near a polar bear den site. Svalbard, Norway
    D1331803.jpg
  • Dr. Steve Amstrup, leaning from a moving helicopter, takes careful aim with his dart gun used to inject an immobilizing drug into a polar bear. Beaufort Sea ice pack, Kaktovik, Alaska
    D125722.jpg
  • Polar bear (Ursus maritimus) hunting an open hole in the sea ice. Svalbard, Norway
    D1607381.jpg
  • Polar bear (Ursus maritimus) mother with two cubs resting. Churchill, Manitoba, Canada
    D000069367.jpg
  • Polar bear (Ursus maritimus), Svalbard, Norway
    D216668.jpg
  • Polar bear tracks across Hudson Bay, Canada.
    00441-01204.jpg
  • Polar bear (Ursus maritimus) family group. Hudson Bay, Churchill, Manitoba, Canada
    D108378.jpg
  • Katrina Knott, research assistant for USGS, swabs the inside area between a female polar bears toes. It's thought that female polar bears possibly give off a scent through their feet during estrus. Kaktovik, Alaska.
    D123511.jpg
  • John Whiteman displays the Ibutton Thermochron deep core body temperature device that is implanted into polar bears for long-term body temperature data.
    D228018.jpg
  • Steve Amstrup and Geoff York, USGS biologists, taking field data from an immobilized large male polar bear (Ursus maritimus). Kaktovik, Alaska
    D123987.jpg
  • A pair of male polar bears (Ursus maritimus) wrestling on the ice. Hudson Bay, Churchill, Canada
    00473-52306.jpg
  • Polar bears playing on Hudson Bay.
    00473-16207.jpg
  • Adult polar bears and an Arctic fox on the frozen shores of Hudson Bay, Canada.
    00473-06213.jpg
  • Polar bear (Ursus maritimus) feeding on a baby walrus as the mother walrus looks for its baby. Nunavut, Canada
    00473-50518.jpg
  • Polar bears playing on frozen Hudson Bay, Canada.
    00473-16320.jpg
  • A group of polar bears waits for Hudson Bay to freeze. Canada
    00473-09416.jpg
  • Setting up the remote camera on a polar bear den site. Svalbard, Norway
    D1480771.jpg
  • The Maternal Den Study team setting up a remote camera for observing a polar bear den from a great distance. Svalbard, Norway
    D1331839.jpg
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