UPCOMING

Birding by Canoe, 7-8:30 a.m. in Old Town

Come canoe the Hirundo Wildlife Refuge and watch birds from the water at the Fields Pond Audubon Center. Reserve a seat in a 28-foot or 16-foot canoe, or bring your own. Cost is $10. Call to register by May 22 at 394-2171.

SATURDAY

Invasive Plant Class, 1 p.m. in Georgetown

The Kennebec Estuary Land Trust is hosting a class on managing invasive plant species at the Weber Kelly Preserve. Join KELT’s stewardship coordinator, Cheri Brunault, to learn how to identify some common invasive plant species and understand why these non-native plants are considered so threatening. Hear recommendations on how to get them off properties and where to turn for more information. Use an online service to report and map infestations as well as practice removal techniques. The class is free and open to the public. Register by May 15 by calling 442-8400 or emailing bkolak@kennebecestuary.org

Quarry Road Ramble, 9 a.m. in Waterville

Maine Master Naturalist Susan MacKenzie will lead a walk along the trails at the Quarry Road Recreation Area off North Street. The walk is suitable for all ages. Donations will be accepted. To learn more, call 861-3292 or go to quarryroadrecarea.org.

Send calendar items to dfleming@pressherald.com