LYNN M. STONE / RF - Cattle egret (Bubulcus ibis) in breeding plumage perched near nest. Kississimmee, Florida, USA. (This image may be licensed either as rights managed or royalty free.)
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Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
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Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
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Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
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Steven Kazlowski / Two curious young Polar bears (Ursus maritimus), Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, October 2011
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Andy Rouse / Polar Bear (Ursus maritimus) portrait in sea-ice landscape. Wide angle / fish-eye shot. Svalbard, Norway, September.
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Steven Kazlowski / Polar bear (Ursus maritimus) on sea ice, off the coast of Svalbard, Norway
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Steven Kazlowski / Polar bear (Ursus maritimus) mother with cub, newly emerged from their den on the Arctic coast, eastern Arctic National Wildlife Refuge, Alaska
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Diane McAllister / Polar bears (Ursus maritimus) fighting in water. Beaufort Sea , Kaktovik, Alaska, USA. Highly commended in the Polar Passion category of the Nature's Best Photography Competition 2019.
