1 Winter wildlife survival challenge
Wild River State Park, Saturday, 1-2 p.m.
Meet at the visitor center to learn how wildlife survive Minnesota's frigid winters at this naturalist-led learning program for all ages. You'll put your knowledge to the test outdoors to make mouse-sized shelters. Small prizes to the best designs. More information: 651-583-2125 or www.mndnr.gov/ptcalendar.
2 CCC tour by snowshoe
Whitewater State Park, Saturday, 1-3 p.m.
Meet the park naturalist at the visitor center, take a guided snowshoe tour of the park, and learn about the historic Civilian Conservation Corps camp. Bring your own snowshoes or rent a pair from the park. More information: 507-932-3007 or www.mndnr.gov/ptcalendar.
3 Winter birding for beginners
Fort Snelling State Park, Saturday, 10-11:30 a.m.