Will Burrard-Lucas / Ethiopian wolf (Canis simensis) stretching as it wakes up, Web Valley, Ethiopia.
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George Sanker / North American beaver (Castor canadensis). swimming in late evening light, Acadia National Park, Maine, USA., September.
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Jussi Murtosaari / Goldeneye (Bucephala clangula) with chicks swimming behind, Helsinki, Uusimaa, Finland, May.
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Chris Gomersall / Short-beaked common dolphin (Delphinus delphis) breaching alongside ship. Hebrides, Scotland. June
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Pal Hermansen / Common eider (Somateria mollissima) male diving in current, seen from a bridge, Straumen, Trondelag, Norway, February.
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John & Mary-Lou Aitchison / Juvenile European otter (Lutra lutra) sleeping on a rock, wakes up, Scotland, UK, November.
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Graham Eaton / Lesser Scaup (Aythya affinis) captive, Martin Mere Wildfowl and Wetlands Trust. Lancashire, UK. December.
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Jeff Rotman / Large number of fishing boats fishing for Sockeye salmon (Oncorhynchus nerka) using drift gill nets, and trying to out manoeuvre other boats. Naknek River, Bristol Bay, Alaska, USA, July.
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Ernie Janes / View of wake and the Isle of Skye from ferry to North Uist, Outer Hebrides, Scotland, UK, June.
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Suzi Eszterhas / Aerial of whale-watching boat, Skjafandi Bay, Iceland, June 2009.
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Suzi Eszterhas / Aerial of whale-watching boat, Skjafandi Bay, Iceland, June 2009.
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Nick Upton / Ear-tagged adult female Eurasian beaver (Castor fiber) swimming on the River Otter at dusk, part of a release project managed by the Devon Wildlife Trust, Devon, England, UK, August 2015.
