A domesticated cow has surprised Polish naturalists by spending the winter living with a herd of wild bison in the primeval Bialowieza Forest. The cow "chose freedom" by running away from a farm ...

Michal Krzysiak, head of the Bialowieza National Park, says Monday that the bison — aged between 1 and 4 years old — have been put on trucks and were on their way to two breeding farms north of Madrid ...