Espen Bergersen / Svalbard reindeer (Rangifer tarandus platyrhynchus) rear view lying down, resting at sunset, Svalbard, Norway. April.

Cyril Ruoso / Asiatic black bear (Ursus thibetanus) resting, captive at Singapore Zoo. Non-ex

Ole Jorgen Liodden / Gentoo penguin (Pygoscelis papua) alone on blue ice, Antarctica, March.

Erlend Haarberg / Arctic fox (Alopex lagopus) adult barking on rocks, Dovrefjell-Sunndalsfjella National Park, Norway, July.

Vincent Grafhorst / Meerkat (Suricata suricatta) sentinel on termite mound, Makgadikgadi, Botswana

David Pattyn / Puffin (Fratercula arctica )through soft focus vegetation. Great Saltee, Saltee Islands, County Wexford, Republic of Ireland, June.

Jabruson / Chimpanzee (Pan troglodytes schweinfurthii) in cage, confiscated from poachers, housed in Epulu, Okapi Wildlife Reserve, Orientale Province, North-East, Democratic Republic of Congo

Alex Mustard,Alex Mustard / A signal blenny (Emblemaria hypacanthus) displays its showy dorsal fin as it extends out of its tube home. La Paz, Mexico. Sea Of Cortez, East Pacific Ocean.

Alex Mustard / Butterfish (Pholis gunnellus) portrait. Gardur, south west Iceland. North Atlantic Ocean.

Fabrice Cahez / Red fox (Vulpes vulpes) sleeping in the snow, Vosges, France, February

Petra Wegner / Cavalier King Charles Spaniel, puppy aged 7 weeks with blenheim colouration, resting on hay bale in straw