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

Mathias Schaef/ BIA / Eurasian Bullfinch (Pyrrhula pyrrhula) male, Finnmark, Norway

Winfried Wisniewski / Ruff (Philomachus pugnax) males displaying in rain at lek, Norway

Winfried Wisniewski / Ruff (Philomachus pugnax) male displaying at lek, Varanger Peninsula, Norway

Roland Seitre / Svalbard Reindeer (Rangifer tarandus platyrhynchus) male and females running, Spitsbergen, Svalbard, Norway

Roland Seitre / Svalbard Reindeer (Rangifer tarandus platyrhynchus) pair, Spitsbergen, Svalbard, Norway

Roland Seitre / Svalbard Reindeer (Rangifer tarandus platyrhynchus) male, Spitsbergen, Svalbard, Norway

Kevin Schafer / Atlantic Walrus (Odobenus rosmarus rosmarus), Svalbard, Norway

Jasper Doest / Arctic Fox (Alopex lagopus) in light snow fall, Svalbard, Norway

Jasper Doest / Gray Wolf (Canis lupus) pair in the snow, Norway

Jan Vermeer / Atlantic Puffin (Fratercula arctica) flying in heavy snowfall, Norway

Flip Nicklin / Bearded Seal (Erignathus barbatus) with head stained red from iron-rich soil sediments in which it forages for food, Svalbard, Norway