European bison (Bison bonasus) herd walking on snow covered field in February, Bialowieza National Park, Podlaskie Voivodeship, Poland, Europe

European bison (Bison bonasus) bull, standing in snow covered meadow in February, with yellowhammer (Emberiza citrinella) flock in flight, Bialowieza National Park, Podlaskie Voivodeship, Poland, Europe

European bison (Bison bonasus) female with calf, standing on snow covered field in February, Bialowieza National Park, Podlaskie Voivodeship, Poland, Europe

European bison (Bison bonasus) herd walking on snow covered field in February, Bialowieza National Park, Podlaskie Voivodeship, Poland, Europe

European bison (Bison bonasus) bull walking in snow covered forest habitat in February, Bialowieza National Park, Podlaskie Voivodeship, Poland, Europe

European bison (Bison bonasus) bull with radio tracking collar, standing in snow covered forest habitat in February, Bialowieza National Park, Podlaskie Voivodeship, Poland, Europe

European bison at Ligatne Nature Trail, Gauja National Park, Latvia, Baltic States, Europe

Wild European bison (Bison bonasus) walking in a meadow in winter, Bialowieza National Park, Poland, Europe

Wild European bison (Bison bonasus) walking in a meadow in winter, Bialowieza National Park, Poland, Europe

European Bison (Bison bonasus), female (cow), being released into woodland as part of the Wilder Blean project, Kent, England, United Kingdom, Europe

European Bison, Dambovita Valley, Arges County, Muntenia, Romania, Europe

European Bison, Dambovita Valley, Arges County, Muntenia, Romania, Europe

European Bison (Bison bonasus), female (cow), being released into woodland as part of the Wilder Blean project, Kent, England, United Kingdom, Europe

European Bison (Bison bonasus), female (cow), being released into woodland as part of the Wilder Blean project, Kent, England, United Kingdom, Europe

European Bison (Bison bonasus), female (cow), being released into woodland as part of the Wilder Blean project, Kent, England, United Kingdom, Europe

European bison, captive at Highland Wildlife Park, Kingussie, Scotland, United Kingdom, Europe

european bison: bison bonasus crossing forest clearing bia lowieza n.p., poland

European bison (Bison bonasus), in a heavy snowstorm

European bison (Bison bonasus) or Wisent in winter, captive, Bavarian Forest National Park, Bavaria, Germany, Europe

European bison (Bison bonasus), in a heavy snowstorm

European bison (Bison bonasus), Damerow bison reserve, Mecklenburg-Western Pomerania, Germany, Europe

Wisent or European Bison (Bison bonasus), open-air enclosure, Bavarian Forest National Park, Bavaria, Germany, Europe

Beautiful nature photograph with close up of European bison (Bison bonasus), Armenis, Caras-Severin, Romania

Beautiful nature photograph of back of head of European bison (Bison bonasus), Armenis, Caras-Severin, Romania