calf and mother of wild european brown bison bison bonasus in winter pine forest. female of adult aurochs wisent feeds

adult alert and animal animals aurochs background belarus bialowieza bison bonasus bovinae brown buck buffalo bull calf closeup common european fauna fawn feeding feeds female field forest group head heavy herd landscape large looking mammal mom mother nature nfemale pine poland power reserve season snow snowy standing tree wild wilderness wildlife winter wisent