@oaklandzoo: Happy National Bison Day! 🦬 Just two centuries ago, tens of millions of bison roamed North America. By the late 1800s, they were nearly eradicated, bringing both ecological and cultural loss across the Great Plains. This year, we're celebrating a special milestone: 50 bison calves have now been born at Oakland Zoo as part of this conservation breeding effort! Oakland Zoo is proud to support the restoration of Iinnii through our partnership with the Blackfeet Nation and Indigenous Led 🤝