Donald M. Jones / Common Raven (Corvus corax) walking in snow, western Alberta, Canada
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Donald M. Jones / Common Raven (Corvus corax) in snow, western Alberta, Canada
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George Sanker / North American river otter (Lontra canadensis) two in water with autumnal trees reflected in the water, Acadia National Park, Maine, USA, October.
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Alan Murphy / Northern Flicker (Colaptes auratus) female at nest cavity with chicks, British Columbia, Canada
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Alan Murphy / Northern Flicker (Colaptes auratus) male at nest cavity with chicks, British Columbia, Canada
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Alan Murphy / Common Loon (Gavia immer) pair on lake at sunset, British Columbia, Canada
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Alan Murphy / Common Loon (Gavia immer), British Columbia, Canada
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Alan Murphy / Common Loon (Gavia immer) carrying chick, British Columbia, Canada
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Graeme Guy / Northern Flicker (Colaptes auratus) male at nest cavity, British Columbia, Canada
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George Sanker / North American River Otter (Lontra canadensis) two swimming near the surface with autumn leaves reflected in water, Acadia National Park, Maine, USA, October.
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David Noton / Aurora Borealis (Northern Lights) over the Klondike River, Yukon Territories, Canada, September 2013.
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Bertie Gregory / Northern sea otter (Enhydra lutris kenyoni) floating amongst bull kelp, Vancouver Island, British Columbia, Canada, July.