Tui De Roy / Adelie Penguin (Pygoscelis adeliae) males displaying to claim nest sites, Prydz Bay, eastern Antarctica
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Roger Powell / Great Black-backed Gull (Larus marinus) pair "trumpet calling" to claim feeding rights over a carcass washed ashore, Varanger Fjord, Arctic Norway. June
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Roger Powell / Great Black-backed Gull (Larus marinus) "trumpet calling" over a carcass washed onshore, to claim feeding rights over a carcass washed ashore, Varanger Fjord, Arctic Norway. June
00345275
Yva Momatiuk & John Eastcott / Marabou Stork (Leptoptilos crumeniferus) tries to claim Lesser Flamingo (Phoenicopterus minor) carcass from Steppe Eagle (Aquila nipalensis), Lake Nakuru National Park, Kenya
00345274
Yva Momatiuk & John Eastcott / Marabou Stork (Leptoptilos crumeniferus) tries to claim Lesser Flamingo (Phoenicopterus minor) carcass from Steppe Eagle (Aquila nipalensis), Lake Nakuru National Park, Kenya
00345270
Yva Momatiuk & John Eastcott / Marabou Stork (Leptoptilos crumeniferus) tries to claim Lesser Flamingo (Phoenicopterus minor) carcass from African Fish Eagle (Haliaeetus vocifer), Lake Nakuru National Park, Kenya
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Yva Momatiuk & John Eastcott / Marabou Stork (Leptoptilos crumeniferus) tries to claim Lesser Flamingo (Phoenicopterus minor) carcass from Steppe Eagle (Aquila nipalensis), Lake Nakuru National Park, Kenya
00345276
Yva Momatiuk & John Eastcott / Marabou Stork (Leptoptilos crumeniferus) tries to claim Lesser Flamingo (Phoenicopterus minor) carcass from Steppe Eagle (Aquila nipalensis), Lake Nakuru National Park, Kenya
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Michael Quinton / Common Raven (Corvus corax) group dead lying on the ground beneath their nest, perhaps pecked to death and tossed out by aggressive young Common Ravens seeking to claim the territory, Idaho
01388411
Paul D Stewart / Reconstruction of the neanderthal 'Man of Chapelle-Aux Saints' by Mr. Kupka (scientifically advised by Marcellin Boule) for the Illustrated London News (ILN), Feb 27th, 1909. This image stuck with the...
01388410
Paul D Stewart / Reconstruction of the neanderthal 'Man of Chapelle-Aux Saints' by Mr. Kupka (scientifically advised by Marcellin Boule) for the Illustrated London News (ILN), Feb 27th, 1909. This image stuck with the...
01388321
Paul D Stewart / Illustration of extinct Thylacine / Tasmanian Tiger (Thylacinus cyanocephalus) engraved by W. Lizars. From Jardine's series 'The Naturalist's Library; Mammalia' 1841 ('The Natural History of Marsupial...
01388228
Paul D Stewart / Portrait of Thomas Jefferson, polymath, American Founding Father and President (b. 13 April 1743 - d. 4 July 1826). Engraving by W.Holl in 'The Gallery of Portraits' 1837 with later colouring, after p...
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John Cancalosi / Columbite (Niobite), the main ore of niobium and used widely in industry; also a source of tantalum. Sample from Jacu claim, Equador, Borborema, Rio Grande do Norte, Brazil.
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Yva Momatiuk & John Eastcott / Black-backed Jackal (Canis mesomelas) female trying to claim wildebeest carcass from hungry vultures, Masai Mara National Reserve, Kenya
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Michael Quinton / Common Raven (Corvus corax) group dead lying on the ground beneath their nest, perhaps pecked to death and tossed out by aggressive young Common Ravens seeking to claim the territory, Idaho
