Life of the bison
Blue Mounds State Park
1-2 p.m. Friday
In a program geared toward children, learn the anatomy of a bison and what makes this animal perfectly suited for prairie life. (1-507-283-6050; mndnr.gov/bluemounds)
Full moon walk
Sibley State Park
9-10 p.m. Friday
Join a naturalist for a .7-mile walk on a dirt trail as part of the new moon hikes that occur every month this year at Sibley. The park is celebrating its 100th birthday this year. (1-320-354-2002; mndnr.gov/sibley)
Spring egg hunt
Glacial Lakes State Park
12:30-3 p.m. Saturday
Come for the 2 p.m. egg hunt, stay for the activities and treats. Last year 3,000 eggs were hidden. (1-320-239-2860, mndnr.gov/glaciallakes)
Arbor Day tree walk
Lake Bemidji State Park
10-11:30 a.m. Saturday
Meet at the park office for the 1.25-mile walk on the Rocky Point loop trail. Learn the difference between basswood, oak, maple, birch, and white and red pine. Celebrate Arbor Day (April 26) early. Dress for the weather and wear good hiking footwear. (1-218-308-2300; mndnr.gov/lakebemidji)
Bird migration walk
William O'Brien State Park
8:30-10 a.m. Sunday
Meet at the Lake Alice swimming beach for a 60-minute stroll in search of birds. Later, learn online tools at the visitor center. The program is designed for novice to intermediate birders. Some binoculars and field guides are available, but participants are encouraged to bring their own. (651-433-0500, ext. 227; mndnr.gov/obrien)
Raptors up close
Lowry Nature Center
2-4 p.m. Sunday
Meet captive raptors. Learn about these amazing birds of prey. Cameras welcome. Drop in anytime. This program is free and open to all ages. (763-694-7650, threeriversparks.org)