Morley Read / Slow motion clip of a Linnaeus' sipo snake (Chironius exoletus) with open mouth, part of threat display, Amazon rainforest, Orellana Province, Ecuador. (non-ex)

SCOTLAND: The Big Picture / Grey seal (Halichoerus grypus) pup on a breeding beach, Orkney, Scotland, UK, April.

SCOTLAND: The Big Picture / Grey seal (Halichoerus grypus) using freshwater pools along the shore line and in the adjacent fields as place to learn to swim, Orkney, Scotland, UK, April.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chicks aged 20-24 weeks stretching wings, in moult whilst parents fish at sea. Atka Bay, Antarctica. January.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri), four chicks in moult aged 20-24 weeks, parents away fishing in open water. Atka Bay, Antarctica. January.

Frederique Olivier / Emperor penguin (Aptenodytes forsteri) walking with chick, Adelie Land, Antarctica, January.

Peter Bassett / King penguin (Aptenodytes patagonicus), Salisbury Plain, South Georgia.

Peter Bassett / King penguins (Aptenodytes patagonicus) preening in breeding colony, with mountains in the background, Salisbury Plain, South Georgia.

Frederique Olivier / Close-up of a dominant male Southern elephant seal (Mirounga leonina) calling, Macquarie Island, Sub-Antarctic Australia.

Tony Wu / Sperm whales (Physeter macrocephalus) large group gathering together, rubbing together to shed skin, interacting and defecating. Indian Ocean, March.

Tony Wu / Family of Sperm whales (Physeter macrocephalus) engaged in social activity, rubbing against each other, Indian Ocean, March.

Ole Jorgen Liodden / Arctic fox (Alopex lagopus lagopus) grooming in summer fur, Spitsberg, Svalbard, Norway, August.