Andy Rouse / Bengal Tiger (Panthera tigris tigris) female 'Noor T39' covering fresh kill with leaves to hide it. Ranthambore National Park, India.
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Ammonite / Wood ant (Formica rufa) carrying a large twig across woodland floor, Dorset, England, UK, April.
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Ammonite / Wood ant (Formica rufa) carrying a large twig across woodland floor, Dorset, England, UK, April.
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Ammonite / Small group of Wood ants (Formica rufa) carrying and pulling a large twig across woodland floor, Dorset, England, UK, April.
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Ammonite / Small group of Wood ants (Formica rufa) carrying and pulling a large twig across woodland floor, Dorset, England, UK, April.
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Ammonite / White-throated / White-faced capuchin (Cebus capucinus) climbing and playing with twig, showing use of prehensile tail, Santa Rosa National Park, Costa Rica.
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Ernie Janes / Black headed gull (Larus ridibundus) in winter plumage, Titchwell RSPB reserve, Norfolk, England, UK, December.
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Ernie Janes / Redshank (Tringa totanus)wading through water with a dead plant in the background, Norfolk, England, UK, November 2013.
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Loic Poidevin / wo juvenile Barn swallows (Hirundo rustica)peched on a twig and begging for food, Indre-et-Loire , France, June.
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Konrad Wothe / Hoatzins (Opisthocomus hoazin) perched in rainforest, Tambopata Reserve, Peru, South America.
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Jan Wegener / Great Egret (Ardea alba) flying with a twig to its nest, Florida
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Tim Laman / King of Saxony Bird of Paradise (Pteridophora alberti) adult male on calling perch, Southern Highlands province, Papua New Guinea