Anup Shah / African elephants (Loxodonta africana) at a waterhole - remote camera. Masai Mara National Reserve, Kenya.

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.

Daniel Heuclin / Vicuna (Vicugna vicugna), five running across salt flat with mountain in background. Salar de Ascotan, Chile. September 2018.

Paul Hobson / Red deer (Cervus elaphus) herd during rut in morning light. Derbyshire, England, UK. October.

Ingo Arndt / Guanaco (Lama guanicoe) herd, Torres del Paine National Park, Patagonia, Chile

Ingo Arndt / Guanaco (Lama guanicoe) herd, Torres del Paine National Park, Patagonia, Chile

Ingo Arndt / Guanaco (Lama guanicoe) herd and mountains, Paine Massif, Torres del Paine, Torres del Paine National Park, Patagonia, Chile

Ingo Arndt / Guanaco (Lama guanicoe) herd grazing in winter, Torres del Paine National Park, Patagonia, Chile

Erlend Haarberg / Herd of wild Reindeer (Rangifer tarandus) in snow-covered mountain landscape, in wind storm. Forollhogna, Norway. January 2018.

Will Burrard-Lucas / Black and white image of African elephant (Loxodonta africana) herd with calf at waterhole, seen through adults legs. Tsavo Conservation Area, Kenya. Taken with a remote camera buggy / BeetleCam. Edit...

Anup Shah / African Elephant (Loxodonta africana) herd crossing river, Masai Mara, Kenya

Hiroya Minakuchi / African Elephant (Loxodonta africana) herd, Amboseli National Park, Kenya