1 Bird-watching trek
Minnesota Valley National Wildlife Refuge, Nov. 22, 8-10:30 a.m.
Meet at the Wilkie Unit (7701 County Rd. 101 E, Shakopee) for a guided hike to see migratory birds including ducks, geese, maybe tundra swans. Bring binoculars and a field guide. Dress for the weather. More information: 952-858-0715 or www.fws.gov/refuge/Minnesota_Valley.
2 Tree detective
Fort Snelling State Park, Nov. 22, 1-2 p.m.
Meet at the visitor center for a lesson on trees. Learn how to identify the park's various species and how they survive the winter. More information: 612-279-3550 or www.mndnr.gov/ptcalendar.
3 Tundra swan field trip
Whitewater State Park, Nov. 22, 1-3 p.m.