European bison bonasus mother refusing to suckle her calf,Czechia

bison bonasus wisent european zubr czechia animal calf cow nature natural reserve wild wildlife suckle mammal tail suckling grassland horned cattle refusing mother rejecting bovine endangered steppe habitat herd bovinae bull bovidae gregarious poland herbivore quadrupedal ruminant ungulate pasture conservation grass field plain documentary flank horns fur prancing ears