Carol Walker / Two wild Mustang stallions fighting in the White Mountain Herd Area, Wyoming, USA. August.
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Carol Walker / Wild Mustang horse rearing, Pryor mountains, Montana, USA. June.
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Carol Walker / Two wild Mustang stallions fighting in White Mountain Herd Area, Wyoming, USA. August.
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Kristel Richard / Two Cambodian Pony stallions play fighting, rearing on back legs, Siem Reap, Cambodia. March 2013
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Kristel Richard / Cambodian Pony stallion rearing on hind legs, Siem Reap, Cambodia. March 2013
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Alex Mustard / A male sea cucumber (Holothuria tubulosa) rears up from the seabed and releases a stream of sperm. Spawning of this species has been reported to be synchronised with lunar phases, however this photo w...
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Alex Mustard / A male sea cucumber (Holothuria tubulosa) rears up from the seabed and releases a stream of sperm. Spawning of this species has been reported to be synchronised with lunar phases, however this photo w...
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Anup Shah / Celebes / Black crested macaque (Macaca nigra) close-up of rears, one female in estrus and one male, Tangkoko National Park, Sulawesi, Indonesia.
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Andrew Parkinson / 2020VISION / Young Mallard (Anas platyrhynchos) rears up to shake itself after bathing, Derbyshire, England, UK, June
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Miles Barton / David Attenborough observing an Argus monitor lizard (Varanus panoptes rubidus) Western Australia, November 2006, on location for BBC NHU series 'Life in Cold Blood' This species of monitor rears up...
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Miles Barton / David Attenborough observing an Argus monitor lizard (Varanus panoptes rubidus) Western Australia, November 2006, on location for BBC NHU series 'Life in Cold Blood' This species of monitor rears up...
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Jose B. Ruiz / Chamois (Rupicapra rupicapra) rear view of female with young on snow, Picos de Europa, Camaleño, Cantabria, Spain
