European bison have been successfully introduced to Poland . The principal concerns now are centered on controlling the bison population , ensuring herds do not become too large for the areas of land they occupy . It was considered extinct in the country in the 1920s . Around 200 animals are closely monitored by conservation groups . The population is now an issue with hunting a controversial proposal .
European bison have been successfully introduced to Poland . It was considered extinct in the country in the 1920s . Around 200 animals are closely monitored by conservation groups . The population is now an issue with hunting a controversial proposal .