Tony Heald / RF- Two Common zebra (Equus quagga) fighting, Etosha national park, Namibia. (This image may be licensed either as rights managed or royalty free.)
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Cyril Ruoso / Przewalski horse (Equus ferus przewalskii) stallion facing stallion in acclimatisation enclosure. Stallion in enclosure will be released into wild after a year. Great Gobi B Strictly Protected Area, M...
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Ashley Cooper / Ratcliffe on Soar coal fired power station near Nottingham, UK, showing the cooling towers and chimney rearing up from a mountain of coal
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Tony Heald / Southern elephant seal (Mirounga leonina), male rearing up in threatening posture. Gold Harbour, South Georgia. October.
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Tony Heald / Southern elephant seal (Mirounga leonina), male rearing up in threatening posture. Gold Harbour, South Georgia. October.
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Tony Heald / Southern elephant seal (Mirounga leonina), male rearing up aggressively with King penguins (Aptenodytes patagonicus) in background. St Andrews Bay, South Georgia. October.
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Cyril Ruoso / Shoebill (Balaeniceps rex) conservationist, wearing costume for rearing chicks to prevent imprinting, Bangweulu Wetlands, Zambia
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Nick Upton / Common swift chick (Apus apus) reared to full size by Judith Wakelam, climbing up the side of a child's play pen and almost ready to be released, Worlington, Suffolk, UK, July.
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Cyril Ruoso / Feral Horse (Equus caballus) fight between stallions during mating season. Namib-Naukluft National Park, Namibia.
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Frederique Olivier / Burchell's zebra (Equus burchellii) interacting, rearing-up, kicking and showing teeth, Ngorongoro Crater, Tanzania.
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Mark Taylor / Pygmy goats, one rearing up to challenge the other.
