Paul Souders/ Worldfoto / Red algae and salt formations, Lake Natron, Ol Doinyo Lengai, Tanzania
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Andrew Peacock / White Rhinoceros (Ceratotherium simum) mother and calf in grassland, Ol Pejeta Conservancy, Kenya
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Wim van den Heever / African elephant (Loxodonta africana) three big bull elephants spending the late afternoon at waterhole, Ol'Donyo Kenya.
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Sean Crane / Zebra (Equus quagga) mother and foal near rainbow, Ol Pejeta Conservancy, Laikipia, Kenya
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Mark MacEwen / Grevy's zebra (Equus grevyi) close-up of coat, Ol Pejeta Conservancy, Kenya, Africa.
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Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.
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Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.
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Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.
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Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.
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Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.
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Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.
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Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing, Ol Pejeta Conservancy, Kenya, 2009. Threatened species.
