1986/06/01 Elhuyar Zientzia Iturria: Elhuyar aldizkaria
Winter has been cold in the area of Poland. However, it does not seem to matter much to these two bison. These two European bison have been reintroduced to the Bralowiez National Park in Poland, following the revitalization program of the European bison. About fifty years ago, the European bison were in danger of extinction.