Nick Upton / European eel (Anguilla anguilla) elver migrating upstream, using an eel pass on the side of a weir, Somerset Levels, England, UK, July.
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Guy Edwardes / Pass of Glencoe and Gearr Aonach, Glencoe, Highlands, Scotland, UK. April, 2018.
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Guy Edwardes / River Garry and Pass of Killiecrankie from Garry Bridge, Perthshire, Scotland, UK. October, 2013.
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Guy Edwardes / River Garry, Pass of Killiecrankie, Pitlochry, Perthshire, Scotland, UK. October, 2013.
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Andy Trowbridge / Kea (Nestor notabilis) juvenile in flight. Arthur's Pass National Park, South Island, New Zealand. Endangered Species.
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Alex Mustard / Red Irish lord (Hemilepidotus hemilepidotus) resting on a yellow sponge, in front of red soft coral (Eunephthya rubiformis). Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. Nor...
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Niall Benvie / Bealach na Ba Pass, Wester Ross, Scotland, UK, November 2015.
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Alex Mustard / Red eye medusa (Polyorchis penicillatus) with hitchhiking amphipods (Hyperia medusarum). Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.
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Alex Mustard / Strawberry anemone (Utricina lofotensis) grows beneath Bull kelp forest (Nereocystis luetkeana). Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. North East Pacific Ocean.
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Frederique Olivier / Adelie penguins (Pygoscelis adeliae) in front of French Icebreaker L'Astrolabe, on edge of the fast ice off Dumont D'Urville station, Antarctica. December 2014.
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Markus Varesvuo / Black kite (Milvus migrans) flying and red-crowned crane (Grus japonensis) on snow, Hokkaido, Japan, February.
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Denis-Huot / Masai giraffes (Giraffa camelopardalis tippelskirchi) silhouetted at sunrise, Masai-Mara game reserve, Kenya.
