Juan Carlos Munoz / Brown bear (Ursus arctos) silhouetted at dawn, Karelia. Finland, May.

Chris & Monique Fallows / Southern right whale (Eubalaena australis) close up feeding on plankton at surface, False Bay, Cape Town, South Africa; with barnacles on head

Chris & Monique Fallows / Sooty Albatros (Phoebetria fusca) at sea off South Georgia Island, Antarctica

Chris & Monique Fallows / Orca (Orcinus orca) near at surface whilst hunting dolphin, False Bay, South Africa.

Sandesh Kadur / Clouded leopard (Neofelis nebulosa), captive, part of a rehabilitation project, Manas National Park, Kokrajhar, Assam, India.

Andy Rouse / Verreaux Sifaka (Propithecus verreauxi) jumping across ground with baby on its back, Madagascar

Nick Upton / European robin (Erithacus rubecula) standing upright in a territorial threat display in a meadow among patchy snow, Wiltshire, UK, January.

Alex Mustard / A portrait of a male Ballan wrasse (Labrus bergylta), showing his bright mating colours. Plymouth, Devon, England, Great Britain. Wreck of the Glen Strathallan, Plymouth Sound, English Channel. Highly...

Claudio Contreras / Keel billed toucan (Ramphastos sulfuratus) calling, captive.

Christophe Courteau / West African giraffe face {Giraffa camelopardis peralta}. Sahel, Niger.

Christophe Courteau / Red lechwe pair running & jumping in swamp {Kobus leche}. Khwai river, Moremi GR, Botswana

Daniel Heuclin / Brown-banded Southern Water Snake (Nerodia fasciata) head in profile as it tastes the air with tongue. Controlled conditions. Lake Fausse-Pointe State Park, Louisiana, USA, November.