Tony Heald / Leopard walking along tree trunk. Namibia. Captive animal

Juan Carlos Munoz / Leopard (Panthera pardus) in sunlit grass, Samburu National Reserve, Kenya

Denis-Huot / Leopard (Panthera pardus) young male, portraits, Masai-Mara Game Reserve, Kenya

Denis-Huot / Leopard (Panthera pardus) young male portrait, Masai-Mara Game Reserve, Kenya

Laurent Geslin / Female African lion (Panthera leo) jumping in to the Khwai river, Okavango Delta, Moremi reserve, Botswana, sequence 2/5

Neil Aldridge / African Lion (Panthera leo) cub reaches for a moment of intimacy with its father, Northern Tuli Game Reserve, Botswana

Mark MacEwen / Lion (Panthera leo) male, in grassland, with wildebeests (Connochaetes sp) Maasai Mara (Masai Mara) Kenya, Africa

Denis-Huot / Lioness (Panthera leo)s from a pride, Masai-Mara Game Reserve, Kenya

Tony Heald / African elephant {Loxodonta africana}, close-up of eye, Chobe national park, Botswana

Tony Heald / African elephant {Loxodonta africana} charging, Etosha national park, Namibia.

Inaki Relanzon / Family of African elephants (Loxodonta africana), Masai Mara National Reserve, Kenya, Africa.

Ben Osborne / Aerial view of African elephant family (Loxodonta africana) traveling through parched landscape during drought conditions, Northern Botswana. Taken on location for BBC Planet Earth series, October 20...