Bison (Bison bison) in heavy winter snow. Yellowstone National Park, Wyoming, USA
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GUL00038
Forest of Redwood (Sequoia sempervirens) ancient forest. Prairie Creek State Park, California, USA
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GUL00051
Humpback whale (Megaptera novaeangliae), and scuba-diver photographer. Socorro Islands, Mexico
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Hawaiian goose or Nene (Branta sandvicensis), bird banded on the long legs that help it move over rough terrain, not waddling like other geese. Haleakala National Park, Maui, Hawaii, USA
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GUL00081
Hawaiian goose or Nene (Branta sandvicensis), vocalising. Haleakala National Park, Maui, Hawaii, USA
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Hawaiian goose or Nene (Branta sandvicensis), two birds with cinder cones in the background. Haleakala National Park, Maui, Hawaii, USA
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GUL00083
Polar bear (Ursus maritimus), walking on ice. Churchill, Manitoba, Canada
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Polar bear (Ursus maritimus), portrait with frozen drip from nose. Churchill, Manitoba, Canada
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Polar bear (Ursus maritimus), mother and two cubs. Churchill, Manitoba, Canada