In this Aug. 13, 2017 photo a tourist feeds a bison in a reserve in Bialowieza, Poland, Sunday, Aug. 13, 2017. On Thursday, July 5, 2018 Poland's Environment Minister Henryk Kowalczyk angered environmentalists after saying he favors reducing the number of protected species including elk and bison because some of the animals damage crops — but he added it isn't easy in an age of "excessive sensitivity to animal protection." (AP Photo/Czarek Sokolowski)