Gabriel Rojo / Yatay palm / jelly palm (Batia yatay) trees silhouetted at sunset, El Palmar National Park, Entre Rios Province, Argentina
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Jane Burton / Baby Grey Squirrel (Sciurus carolinensis) 'kissing' a tabby kitten.
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Nick Turner / Men pulling on a rope in a tug of war competition, Cotswold Olimpicks, Chipping Campden, Gloucestershire, June 2011.
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Lucas Bustamante / Galapagos sea lion (Zalophus wollebaeki) leaning head back, Floreana Island, Galapagos, Endangered species.
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Mark Taylor / Dachshund puppy with Persian-cross kitten leaning across its back, portrait.
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Tim Laman / Magnificent bird of paradise (Cicinnurus magnificus) male, leaning back and presenting his breast shield and raised cape to two females, courtship display, Arfak Mountains, West Papua, Indonesia.
