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Large cicada (probably Dundubia sp) moulting during night in the rainforest of Tanjung Puting National Park Kalimantan Borneo Indonesia Asia by
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Portrait of a Rock ptarmigan (Lagopus muta) perched on a treetop with its plumage changing to winter coloration; Alaska United States of America b
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blackfooted penguin
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Portrait of a Eurasian blue tit (Cyanistes caeruleus) perched on a branch in autumn; Bavaria Germany Photo by David Micha Sheldon Design Pics
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Male grouse changing to winter plumage
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Close-up of two king penguins (Aptenodytes patagonicus) entwined together and hugging each other with their necks in mating ritual; South Georgia Isla
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Close-up of two king penguins (Aptenodytes patagonicus) entwined together and hugging each other with their necks in mating ritual; Antarctic Peninsul
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Close-up of two juvenile bald eagles (Haliaeetus leucocephalus) carrying twigs in their beaks standing in the nest; Minnesota United States of Americ
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Portrait of a juvenile bald eagle (Haliaeetus leucocephalus) standing in the nest stretching its wings; Minnesota United States of America Photo by
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Close-up of two king penguins (Aptenodytes patagonicus) hugging each other with their necks in mating ritual; South Georgia Island Antarctica Photo
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View taken from behind of a pair of king penguins (Aptenodytes patagonicus) standing side by side; Antarctic Peninsula Antarctica Photo by Tom Murph
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Close-up of two king penguins (Aptenodytes patagonicus) hugging each other with their necks in mating ritual; South Georgia Island Antarctica Photo
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A family of loons (Gavia immer) also known as the Great Norther Diver swimming together in a lake; Whitehorse Yukon Canada Photo by Robert Postma
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Starlings flying to roost near Kendal Cumbria UK
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Starlings flying to roost near Kendal Cumbria UK
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Starlings flying to roost near Kendal Cumbria UK
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Starlings flying to roost
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Starlings flying to roost near Kendal Cumbria UK
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Starlings flying to roost near Kendal Cumbria UK
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Willow Ptarmigan male (cock) (Lagopus lagopus) in Arctic Valley male is just starting to change from pure white to his brown and white summer coat L
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A male Willow Ptarmigan struts along the Park Road in Denali National Park and Preserve during the spring mating season The bird is changing into it
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Close-up of Male Willow Ptarmigan changing from winter to breeding plumage near Savage River Denali National Park Preserve Interior Alaska Sprin
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Male Willow Ptarmigan with changing plumage perches on a Pussy Willow in Denali National Park Interior Alaska Spring
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Male Willow Ptarmigan with changing plumage perches on a Spruce tree in Denali National Park Interior Alaska Spring
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Portrait of a Karo tribesman with facial decoration in chalk imitating the spotted plumage of the guinea fowl Lower Omo Valley Ethiopia Africa
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Videographer photographing Rock Ptarmigan in winter plumage Area 1002 Arctic National Wildlife Refuge AK
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