Roland Seitre / Hoffman's Two Toed Sloth (Choloepus hoffmanni) being weighed and recorded. Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.
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Roland Seitre / Volunteer holding Hoffman's Two Toed Sloth (Choloepus hoffmanni) Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.
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Roland Seitre / Hoffmann's Two Toed Sloth (Choloepus hoffmanni) baby wrapped in cloth. Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.
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Roland Seitre / Brown-throated Three Toed Sloth (Bradypus variegatus) and Hoffmann's Two Toed Sloths (Choloepus hoffmanni) babies being fed. Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.
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Roland Seitre / Brown-throated Three Toed Sloth (Bradypus variegatus) and Hoffmann's Two Toed Sloths (Choloepus hoffmanni) babies held by orphanage owner, Judy Avey-Arroyo. Aviarios del Caribe Sloth Refuge, Costa Ric...
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Ernie Janes / RF- Silhouette of Red deer (Cervus elaphus) stag and hind by tree at sunset, Norfolk, UK. (This image may be licensed either as rights managed or royalty free.)
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Luiz Claudio Marigo / People taking photographs of a Brown-throated Three-toed Sloth (Bradypus variegatus) in Parque Centenario, downtown Cartagena de Indias city, Magdalena Department, Colombia, February 2011.
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Edwin Giesbers / RF- Konik Wild Horse (Equus ferus caballus) low angle close up of head. The Netherlands. July. (This image may be licensed either as rights managed or royalty free.)
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Richard Du Toit / Burchell's Zebra (Equus burchellii) males fighting, Etosha National Park, Namibia
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Richard Du Toit / Burchell's Zebra (Equus burchellii) flehming, Kwazulu Natal, South Africa
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Richard Du Toit / Burchell's Zebra (Equus burchellii) mother and foal, Kwazulu Natal, South Africa
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Ernie Janes / RF- Domestic pig, hybrid large white sow and piglets in sty, UK, September 2010. (This image may be licensed either as rights managed or royalty free.)
Richard Du Toit / Burchell's Zebra (Equus burchellii) males sparring, Itala Game Reserve, South Africa
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Mark Bowler,Mark Bowler / Siberian musk deer (Moschus moschiferus) male with tusks grooming, captive, Midlothian deer enclosure, UK, vulnerable species
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Mark Bowler / Siberian musk deer (Moschus moschiferus) male with tusks, portrait, captive, Midlothian deer enclosure, UK, vulnerable species
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Tony Heald / RF- Black rhinoceros (Diceros bicornis) looking threatening, Etosha National Park, Namibia, June. Endangered species. (This image may be licensed either as rights managed or royalty free.)
Winfried Wisniewski / Black Rhinoceros (Diceros bicornis) running, Tsavo East National Park, Kenya
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Edwin Giesbers / RF- Red Deer (Cervus elaphus) stag and three does silhouette grazing. Dyrehaven, Denmark. (This image may be licensed either as rights managed or royalty free.)
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Ingo Arndt / White Rhinoceros (Ceratotherium simum) males facing off, Lake Nakuru, Kenya
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Ingo Arndt / White Rhinoceros (Ceratotherium simum) mother and juvenile, Lake Nakuru, Kenya
Yva Momatiuk & John Eastcott / White Rhinoceros (Ceratotherium simum) male, Lake Nakuru National Park, Kenya
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Pete Oxford / Burchell's Zebra (Equus burchellii) foal nuzzles mother in waterhole, Africa
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Pete Oxford / Burchell's Zebra (Equus burchellii) foal standing beside mother in waterhole, Africa
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Pete Oxford / Burchell's Zebra (Equus burchellii) herd drinking at waterhole, Africa
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Dave Watts / Pyrenean chamois {Rupicapra rupicapra pyrenaica} Pyrenees, France
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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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Tony Heald / RF- Common zebra foal running (Equus quagga). Etosha National Park, Namibia. Digitally enhanced. (This image may be licensed either as rights managed or royalty free.)
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) bachelor stallions running together in winter, Wyoming
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Konrad Wothe / Burchell's Zebra (Equus burchellii) pair resting, Serengeti National Park, Tanzania
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Mitsuaki Iwago / Black Rhinoceros (Diceros bicornis) with Red-billed Oxpecker (Buphagus erythrorhynchus), Serengeti National Park, Tanzania
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Mitsuaki Iwago / Black Rhinoceros (Diceros bicornis) portrait, Ngorongoro Crater, Tanzania
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Richard Du Toit / Southern Giraffe (Giraffa giraffa) and Burchell's Zebra (Equus burchellii) at water hole, Khwai River, Botswana
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ZSSD / Przewalski's Horse (Equus ferus przewalskii) herd, native to Mongolia and China
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ZSSD / White Rhinoceros (Ceratotherium simum) adult portrait, native to Africa
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ZSSD / White Rhinoceros (Ceratotherium simum) adult portrait, native to Africa
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ZSSD / Black Rhinoceros (Diceros bicornis) portrait of calf, native to Africa
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Mitsuaki Iwago / Burchell's Zebra (Equus burchellii) males fighting, Serengeti National Park, Tanzania
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Konrad Wothe / Black Rhinoceros (Diceros bicornis) mother and calf crossing savannah, Ngorongoro Crater, Tanzania
Mitsuaki Iwago / African Lion (Panthera leo) females feeding on Burchell's Zebra (Equus burchellii), Serengeti National Park, Tanzania
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Mitsuaki Iwago / Blue Wildebeest (Connochaetes taurinus) and Burchell's Zebra (Equus burchellii) herd migrating, Serengeti
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Mitsuaki Iwago / Burchell's Zebra (Equus burchellii) trio on dusty plain, Serengeti National Park, Tanzania
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Mitsuaki Iwago / Black Rhinoceros (Diceros bicornis) portrait, Ngorongoro Crater, Tanzania
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Mitsuaki Iwago / Black Rhinoceros (Diceros bicornis) grazing in grassland surrounded by a flock of Cattle Egrets (Bubulcus ibis), Ngorongoro Crater, Tanzania
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Mitsuaki Iwago / African Lion (Panthera leo) female chasing Burchell's Zebra (Equus burchellii), Serengeti National Park, Tanzania
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Mitsuaki Iwago / African Lion (Panthera leo) females killing Burchell's Zebra (Equus burchellii), Serengeti National Park, Tanzania
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Mitsuaki Iwago / Black Rhinoceros (Diceros bicornis) with Cattle Egret (Bubulcus ibis) on its back, Ngorongoro Crater, Tanzania
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Mitsuaki Iwago / Black Rhinoceros (Diceros bicornis) charging, Serengeti National Park, Tanzania
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Yva Momatiuk & John Eastcott / Burchell's Zebra (Equus burchellii) foal running and playing on short green grass, Masai Mara National Reserve, Kenya
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Mitsuaki Iwago / Burchell's Zebra (Equus burchellii) herd at waterhole, Serengeti National Park, Tanzania
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Michael & Patricia Fogden / Burchell's Zebra (Equus burchellii) and Giraffe (Giraffa camelopardalis) at waterhole, Etosha National Park, Namibia
Konrad Wothe / Burchell's Zebra (Equus burchellii) pair running, Serengeti National Park, Tanzania
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Yva Momatiuk & John Eastcott / Burchell's Zebra (Equus burchellii) herd Blue Wildebeest (Connochaetes taurinus) and Thomson's Gazelles (Eudorcas thomsonii) congregate near crossing, Mara River, Masai Mara National Reserve, Kenya
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Yva Momatiuk & John Eastcott / Burchell's Zebra (Equus burchellii) and Blue Wildebeest (Connochaetes taurinus) herds grazing together in open grassland during short rainy season in November, Masai Mara National Reserve, Kenya
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Yva Momatiuk & John Eastcott / Burchell's Zebra (Equus burchellii) and Blue Wildebeest (Connochaetes taurinus) herds grazing together in open grassland during short rainy season in November, Masai Mara National Reserve, Kenya
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Gerry Ellis / Burchell's Zebra (Equus burchellii) herd grazing, Amboseli National Park, Kenya
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Gerry Ellis / Burchell's Zebra (Equus burchellii) and Blue Wildebeest (Connochaetes taurinus) crossing the Mara River, Masai Mara National Reserve, Kenya
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Mitsuaki Iwago / Black Rhinoceros (Diceros bicornis) mother and baby with Red-billed Oxpeckers (Buphagus erythrorhynchus), Ngorongoro Crater, Tanzania