11K views · 570 reactions | Our recent snowfall in NYC didn’t stop the bison in their tracks! That’s because bison have evolved to survive some of the harshest conditions in North America. During the winter they grow wooly coats that help insulate them against the cold. They also have thick skin and layers of fat to keep them warm. Once spring arrives, the bison will shed their fuzzy winter coats. | Bronx Zoo | Facebook

Look what arrived just in time for Earth Day! We recently welcomed our first American bison birth of the season on April 22. In this video, the new mother bonds with the calf away from the herd. At this stage, bison moms are very protective of their offspring. As part of our animal care programs, each calf undergoes a neonatal exam in its first few days of life, including a general health exam, vaccinations, and tagging for future identification in the herd. Young bison calves are easily identif