Bruno D'Amicis / Apennine chamois (Rupicapra pyrenaica ornata) adult male in snowy mountain habitat. Endemic to the Apennine mountains. Abruzzo, Italy, November.
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Aflo / N-5703 900-year-old European beech tree in field {Fagus sylvaticus} Bavaria, Germany.
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Nigel Cattlin / Itchgrass (Rottboellia cochinchinensis) prop / brace roots elevating plant above soil. An agressive weed of crops particularly in tropical and sub-tropical climates.
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Nigel Cattlin / Itchgrass (Rottboellia cochinchinensis) prop / brace roots elevating plant above soil. An agressive weed of crops particularly in tropical and sub-tropical climates.
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Pal Hermansen / Artist Sunniva Munster checking stability of artwork 'Chair 1'. Valer, Ostfold County, Norway. July 2014.
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Konrad Wothe / Rainforest tree with buttress roots in lowland rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.
Konrad Wothe / Rainforest tree with buttress roots, in lowland rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.
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Konrad Wothe / Rainforest tree with buttress roots, during rainfall, Lowland rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.
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Jabruson / Hippopotamus (Hippopotamus amphibius) in Rutshuru river with approaching storm, taken before the massive slaughter of hippos in the region at the start of the deterioration of stability during the ove...
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Graham Eaton / Coastal erosion of Glacial boulder clay cliffs during spring tides, Thurstaston, Wirral, June 2012
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Jabruson / Hippopotamus (Hippopotamus amphibius) speeds across mud wallow in Rwindi sector of the Virunga National Park before the massive slaughter of hippos in the region at the start of the deterioration of s...
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Jabruson / Hippopotamus (Hippopotamus amphibius) splashing for position in watery mud wallow, Rwindi sector of the Virunga National Park. This was taken before the massive slaughter of hippos in the region at t...
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Nick Upton / Mallard (Anas platyrhynchos) drake standing on frozen lake with its feet wide apart for stability on the ice, Wiltshire, UK, February
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Niall Benvie / Trees planted behind dunes in protective tubes, to slow the retreat of sand dune habitat succession and increase soil and land stability, Montrose, Angus, Tayside, Scotland
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Nick Upton / Smoky dapperling mushroom (Leucoagaricus barssii), Red Data book species in UK, growing on stable coastal sand dunes, Merthyr Mawr Warren NNR, Wales, UK, October.