Denis-Huot / Olive baboon (Papio anubis) males fighting over newborn Thomson's gazelle (Eudorcas thomsonii) prey, Masai-Mara game reserve, Kenya.

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

Jean E. Roche / Wind blowing sand across beach, causing delta patterns, Piemanson, Camargue, France, October.

Anup Shah / Eastern white-bearded wildebeest (Connochaetes taurinus) herd running. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / African elephants (Loxodonta africana) dust bathing. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Eastern white-bearded wildebeest (Connochaetes taurinus) herd crossing the Mara River watched by tourists. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Eric Dragesco / Small herd of Asiatic Wild Ass (Equus hemionus) running, Gobi National Park, Mongolia

Eric Dragesco / Herd of Black Tailed Gazelle (Gazella subgutturosa) running, Gobi Desert, Mongolia

Anup Shah,Anup Shah / Eastern White-bearded Wildebeest (Connochaetes taurinus) herd on the move Masai Mara National Reserve, Kenya, July

Denis-Huot / Wildebeest (Connchaetes taurinus) running down bank of the Mara River during migration, Masai Mara, Kenya

Ann & Steve Toon / Dust devil in Amboseli National Park in dry season, Kenya, October 2012

XI ZHINONG / Grey wolf (Canis lupus) chasing a wounded tibetan wild ass (Equus kiang) Kekexili, Qinghai, China, December.