Brookfield Zoo reopens with new polar bear, wolves after COVID-related closure Lincoln Park Zoo also announced reopen date; Shedd Aquarium free days upcoming WLS Share: Share: Many of the animals at the Brookfield Zoo soaked in the warmth of the sun. King, the resident rhino, even came out to play in what snow was left. He was spotted doing laps around his enclosure and even rolled around in the snow. Zoo officials said it was quite a unique sight since the conditions are unlike his natural habitat. They even added that they've never seen him so active before. The Brookfield Zoo is set to reopen Monday after closing due to the pandemic.