1 Bird-watching trek
Minnesota Valley National Wildlife Refuge, Oct. 18, 8-10:30 a.m.
Meet at Old Cedar Avenue (9500 Old Cedar Av. S., Bloomington) for a guided walk in search of migratory waterfowl, raptors, warblers and sparrows. Bring binoculars and a field guide. Dress for the weather. More information: 952-858-0715 or www.fws.gov/refuge/Minnesota_Valley.
2 Tying your first fly
Fort Snelling State Park, Oct. 18, 1-3 p.m.
Spin fibers into flies for fly fishing at this free workshop. Equipment and materials provided. Registration required; 612-725-2724. More information: www.mndnr.gov.
3 Fall colors river adventure
Lake Rebecca Park Reserve, Oct. 18, 1-4 p.m.,