Anup Shah / Mixed herd of Common or Plains zebra (Equus quagga burchellii) and Eastern white-bearded wildebeest (Connochaetes taurinus) - remote camera. Masai Mara National Reserve, Kenya.

Ann & Steve Toon / Cape buffalo (Syncerus caffer) at waterhole at night with plains zebra (Equus quagga), Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Eric Baccega / Angolan giraffes (Giraffa camelopardalis angolensis) and black rhinoceros (Diceros bicornis) reflecting in waterhole at sunset, Okaukuejo, Etosha National Park, Namibia, Africa

Angelo Gandolfi / Pantanal cowboy / gaucho (Pantaneiros) driving cattle. Pantanal, Brazil, August 2010.

Anup Shah / Common or plains zebra (Equus quagga burchelli) and Eastern white-bearded wildebeest (Connochaetes taurinus) mixed herd running. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera...

Shattil & Rozinski,Shattil & Rozinski / Mule deer (Odocoileus hemionus), with the Denver skyline and Rocky Mountains in the background, Denver, Colorado, USA, November.

Denis-Huot,Denis-Huot / Grant's zebra (Equus burchelli boehmi) in a migration herd of wildebeest (Connochaetes taurinus) Masai-Mara Game Reserve, Kenya

Denis-Huot / Grant's zebra (Equus burchelli boehmi) in a migration herd of wildebeest (Connochaetes taurinus) Masai-Mara Game Reserve, Kenya

Loic Poidevin / Impala (Aepyceros melampus) male silhouetted with Zebra (Equus quagga) in background Masai Mara, Kenya.

Suzi Eszterhas / African elephant (Loxodonta africana) herd at waterhole during dry season with Springbok (Antidorcas marsupialis), Plains zebra (Equus quagga) and Warthog (Phacochoerus africanus). Etosha National Par...

Suzi Eszterhas / African elephant (Loxodonta africana) herd at dusty waterhole during dry season with Springbok (Antidorcas marsupialis) and Plains zebra (Equus quagga). Etosha National Park, Namibia.

SCOTLAND: The Big Picture / Red deer (Cervus elaphus) hind with herd in background. Lochcarron, Highlands, Scotland, UK.