Klein & Hubert / Siberian tiger (Panthera tigris altaica) running in snow. Controlled conditions.
Klein & Hubert / Grey wolf (Canis lupus) two running in the snow, USA. Controlled conditions.
Nick Garbutt / Jaguar (Panthera onca) female running along a sand spit chasing after a caiman. Northern Pantanal Cuiaba River, Mato Grosso, Brazil.
Klein & Hubert / Fjord or Norwegian fjord horse galloping in grass meadow in fall, France
Karine Aigner / Portrait of an African wild dog (Lycaon Pictus) running on green grass, Zimbabwe.
Stephane Granzotto / Alpine marmot (Marmota marmota) standing alert outside burrow, takes fright and runs inside, Rhone-Alpes, France, July.
Jabruson Motion / Silverback Mountain gorilla (Gorilla beringei beringei) and family resting in vegetation, with a juvenile peering into the camera lens Bukima, Virunga National Park, Democratic Republic of Congo, 1996...
Luke Massey / Low angle shot of Wild boar (Sus scrofa) piglets running towards parent, Forest of Dean, Gloucestershire, England, UK, May.
Jack Dykinga / Sandhill crane (Grus canadensis) running to take off into flight, Boque del Apache, New Mexico, USA, December.
Christophe Courteau / Ostriches (Struthio camelus) running in the distance in a mirage, Sossusvlei, Namib-Nauckluft National Park, Namib Desert, Namibia.
Ingo Arndt / Svalbard reindeers (Rangifer tarandus platyrhynchus) running in snow, winter, Spitsbergen, Svalbard, Norway, April