Ismaele Tortella / Svalbard reindeer (Rangifer tarandus platyrhynchus) feeding in snow, Svalbard, Norway, March.

Diane McAllister / Polar bears (Ursus maritimus) fighting in water. Beaufort Sea , Kaktovik, Alaska, USA. Highly commended in the Polar Passion category of the Nature's Best Photography Competition 2019.

Jami Tarris / Polar Bear (Ursus maritimus) cooling off, Spitsbergen, Svalbard, Norway

Jami Tarris / Walrus (Odobenus rosmarus) bull, Spitsbergen, Svalbard, Norway

Jami Tarris / Polar Bear (Ursus maritimus) hunting Bearded Seal (Erignathus barbatus) pup, Spitsbergen, Svalbard, Norway

Jami Tarris / Polar Bear (Ursus maritimus) on ice floe, Spitsbergen, Svalbard, Norway

Jami Tarris / Polar Bear (Ursus maritimus) on shore, Spitsbergen, Svalbard, Norway

Jami Tarris / Arctic Fox (Alopex lagopus) running in snow, Spitsbergen, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus), Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus), Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) on ice floe, Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) on ice floe, Hinlopen Strait, Svalbard, Norway