Since it first opened in 1934, Brookfield Zoo has helped generations of families from around the world discover their love for animals. Today, the 216-acre nature park is home to more than 5,000 animals and extensive conservation programs. Guest capacity will be limited to ensure safe social distancing within the 216-acre park. Reservation times will be available in 20-minute increments. Everyone must reserve and secure a ticket online before visiting Brookfield Zoo. Please note that no tickets will be sold onsite. All tickets are non-refundable and no rain checks will be made. We appreciate your understanding!