Marie Read / Common loon (Gavia immer) adult swimming with a chick resting on its back, Presque Isle County, Michigan, USA, June.
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Konrad Wothe / Stoat (Mustela erminea) in white winter coat standing upright in snow, Upper Bavaria, Germany, Europe. February.
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Joel Sartore / Photo Ark / A black phase critically endangered Indochinese leopard (Panthera pardus delacouri) snarling, Zoo Taiping, Malaysia. Captive.
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George Sanker / Wood duck (Aix sponsa) male in breeding plumage. Acadia National Park, Maine, USA. April.
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Erlend Haarberg / Arctic fox (Vulpes lagopus), Dovrefjell-Sunndalsfjella National Park, Norway, April.
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Ismaele Tortella / Three Rock ptarmigan (Lagopus muta) feeding in winter plumage, city of Tromso in the background, northern Norway, March 2019.
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Danny Green / Arctic fox (Alopex lagopus) following scent, in winter pelage. Svalbard, Norway. April.
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Danny Green / Arctic fox (Alopex lagopus) camouflaged in winter pelage. Svalbard, Norway, April.
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Danny Green / Arctic fox (Alopex lagopus) in snow. Svalbard, Norway. April.
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Danny Green / Arctic fox (Alopex lagopus) standing in tundra. Svalbard, Norway, July.
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Danny Green / Arctic fox (Alopex lagopus) standing on ice, in winter pelage. Svalbard, Norway, April.
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Danny Green / RF - Arctic fox (Alopex lagopus) in winter pelage, camouflaged in snow. Svalbard, Norway, April (This image may be licensed either as rights managed or royalty free.)
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Danny Green / RF - Arctic fox (Alopex lagopus) sitting with summer pelage, tuft of fur on head. Svalbard, Norway, July. (This image may be licensed either as rights managed or royalty free.)
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John Shaw / Snowy egret (Egretta thula) shows its breeding plumage. St. Johns Management Area, Florida, USA, March.
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SCOTLAND: The Big Picture / Mountain hare (Lepus timidus), sub-adult in summer coat on moorland, Scotland, UK, August.
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Marie Read / Roseate spoonbill (Ajaia ajaja) adult in breeding plumage preening tail feathers, Black Point Wildlife Drive, Merritt Island National Wildlife Refuge, Florida, USA, January.
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Philippe Clement / Two Atlantic puffins (Fratercula arctica) in breeding plumage on cliff top, Sumburgh Head, Shetland Islands, Scotland, UK, June.
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Chris Gomersall / Large flock of Red knot (Calidris canutus) moving at high tide roost, in winter plumage, Snettisham RSPB Reserve, Norfolk, England, UK, September.
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Erlend Haarberg / Mountain hares (Lepus timidus) in winter coat, at sunset, Vauldalen, Norway. April. Third place of the Harmony of Life Category of the Golden Turtle Photography Awards 2017.
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Tui De Roy / Marine iguana (Amblyrhynchus cristatus), male in full breeding colours Floreana Island, Galapagos.
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SCOTLAND: The Big Picture / Mountain hare (Lepus timidus) in white winter coat, Scotland, UK, February.
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Espen Bergersen / Ptarmigans (Lagopus mutus) in white winter plumage, camouflaged against mountain scree with snow, Spitsbergen, Svalbard, Norway, April
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Espen Bergersen / Ptarmigans (Lagopus mutus) in white winter plumage, camouflaged against mountain scree with snow, Spitsbergen, Svalbard, Norway, April. Highly commended in the Animals in their Environment Category of...
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Bence Mate / Great egret (Ardea alba) with green colouring near beak during breeding season, Lake Csaj, Pusztaszer, Hungary, April.
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Markus Varesvuo / Willow grouse / Ptarmigan (Lagopus lagopus) fluffed up perched in snow, Inari, Finland, February.
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Markus Varesvuo / Willow grouse (lagopus lagopus) flock in flight in snow, Utsjoki, Finland, October.
Marie Read / Flock of White ibis (Eudocimus albus) in breeding plumage, at rookery on water's edge of the mangrove-covered island, Tampa Bay, Florida, USA, March
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Marie Read / American goldfinch (Carduelis tristis) male in breeding plumage, perched in Eastern redbud flowers in spring, New York, USA May.
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David Pattyn / Tufted duck (Aytha fuligula) portrait of a male in breeding plumage. The Netherlands. April..
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David Pattyn / Great crested grebe (Podiceps cristatus) close-up in breeding plumage. The Netherlands.June 2014
