Avery Wilson, 5 (from left), Isabel Kosydar, 5, Kiara Hein, 6, program instructor Jess Day, Jacob Lutton, 4, and Zander Marino, 5, look for different animal tracks during Wild About Animals at The Nature Center in Veterans Acres Park in Crystal Lake Wednesday, February 23, 2011. The program taught children ages 4 to 6 about different types of animals found in and around The Nature Center. The center is part if Crystal Lake Park District. (Hollyn Johnson / Northwest Herald)