1 Stand-up paddleboard lessons

Fish Lake Regional Park, Aug. 23, 9-11 a.m., and Aug. 26, 7-9 p.m.

Learn the basics of paddleboard balance and maneuvering during these beginner-friendly events. Equipment provided (for people up to 220 pounds). Ages 14-plus. $35. Reservation required; 763-559-6700. More information: www.threeriversparks.org.

2 Starlight Starbright!

William O’Brien State Park, Aug. 23, 9 p.m.

Meet at the visitor center for a presentation by amateur astronomer Kenny Bahmer. Then head outdoors for some stargazing through a telescope. More information: 651-433-0500 or www.mndnr.gov/ptcalendar.

3 Bird-watching treks

Rapids Lake Education and Visitor Center, Aug. 23, 7-10 a.m.; Bloomington Ferry Unit, Aug. 24, 7-10 a.m.

Explore different sections of the Minnesota Valley National Wildlife Refuge during these early morning birding tours. Search the Rapids Lake Unit (in Carver) for prairie species including meadowlarks, flycatchers and sparrows. Search the Bloomington Ferry Unit for raptors and warblers. Bring binoculars. More information: www.fws.gov/refuge/Minnesota_Valley

4 Monarch tagging

Hyland Lake Park Reserve, Aug. 23, 2-3:30 p.m.; Elm Creek Park Reserve, Aug. 24, 1-3 p.m.

Meet at the parks’ nature centers for family-friendly lessons on monarchs. Learn about the butterfly’s life cycle and migration patterns. Search the prairie for insects and help tag monarchs as part of a national research project. Ages 6-plus. $5. Reservation required; 763-559-6700. More information: www.threerivers parks.org.

5 St. Croix River interpretive paddle

Wild River State Park, Aug. 24, 10 a.m.-3 p.m.

Paddle the St. Croix River with a park naturalist. Listen to stories about the voyageurs and logging crews who once traveled this 9-mile stretch. Bring your own canoe or rent one for $10 per person. Registration required; 651-583-2125, ext. 227. More information: www.mndnr.gov/ptcalendar.