Identify trees
Fort Snelling State Park
1-2 p.m. Saturday
• Learn how to identify native trees. Meet at the visitor center. (612-725-2724; mndnr.gov/fortsnelling)
Scent tracking
Blue Mounds State Park
11 a.m.-noon Saturday
• Learn how animals use scent to track prey and then find their way home. (1-507-283-6050; mndnr.gov/bluemounds)
Bird feeding tips
Fort Snelling State Park
1-2 p.m. Sunday