Stefan Christmann / Emperor penguin (Aptenodytes forsteri) breeding colony, adults brooding chicks. Atka Bay, Antarctica. September 2017.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri), two adults with chicks aged six to eight weeks. Atka Bay, Antarctica. September.

Pedro Narra / White spoonbill (Platalea leucorodia) adults at nest with chicks, Sado estuary, Portugal. May

Oscar Dewhurst / Black-legged kittiwake (Rissa tridactyla) adults and chicks on nests on the Tyne Bridge. Newcastle, UK. July.

Erlend Haarberg / European pine marten (Martes martes) on spring snow. Vauldalen, Norway, April.

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...

Ingo Arndt / King penguin (Aptenodytes patagonicus) colony with adults and chicks. St Andrews Bay, South Georgia Island, Southern Ocean, Antarctic Convergence

Ingo Arndt / Masai Giraffe (Giraffa camelopardalis tippelskirchi) two adults, Masai Mara National Reserve, Kenya, Africa

Ingo Arndt / Masai Giraffe (Giraffa camelopardalis tippelskirchi) two adults, Masai Mara National Reserve, Kenya, Africa

Francois Savigny / Lionesses grooming and cub {Panthera leo} Moremi NP Botswana

Franco Banfi / Mother with young calf Sperm whale (Physeter macrocephalus) Dominica, Caribbean Sea, Atlantic Ocean.

Yva Momatiuk & John Eastcott / Ostrich (Struthio camelus) sub-adults at waterhole in dry season, Etosha National Park, Namibia