Matthew Maran / Detail of frost on Western Red Cedar (Thuja plicata). Vancouver Island, Canada, March.
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Doug Wechsler / Close-up of Blackjack oak (Quercus marilandica) leaf close up changing colour, Pinelands Reserve, New Jersey, USA, October.
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Doug Wechsler / Close-up of Blackjack oak (Quercus marilandica) leaf close up changing colour, Pinelands Reserve, New Jersey, USA, October.
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Roland Seitre / Pantropical Spotted Dolphin (Stenella attenuata) beneath sea surface. Ballena National Marine Park, Costa Rica.
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Claudio Contreras / Detail of Ocellated Turkey (Meleagris / Agriocharis ocellata) plumage. El Mirador-Rio Azul National Park, Department of Peten, Guatemala.
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Erlend Haarberg / Marble formations in Glomdalen, Saltfjellet-Svartisen National Park, Rana, Nordland, Norway, June 2006
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John Cancalosi / Close-up of Giant Silk Worm Caterpillars (Arsenura armida) - the species groups during the day for defence, and feed at night. Costa Rica Santa Rosa National Park tropical dry forest.
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Bryan and Cherry Alexander / Needles of ice in frozen puddle. North-east Greenland National Park, Greenland, 2005.
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Bryan and Cherry Alexander / Needles of ice in frozen puddle. North-east Greenland National Park, Greenland, 2005.
