The Minnesota Valley National Wildlife Refuge offers free, naturalist-led programs year-round.

Take part in a Bird Watching Trek from 2:30 to 4:30 p.m. Saturday at the Minnesota Valley National Wildlife Refuge’s Wilkie Unit, 7701 County Road 101 E., Shakopee.

There are some conifer woods to search for owls and winter finches. Blue Lake usually opens up early so search for open water, waterfowl and even herons and egrets. Bring along your binoculars, favorite field guide and dress appropriately for the weather.

Following are programs during March in the Carver area:

Intro to Snowshoeing for Adults, Chaska Unit, Carver trailhead, 300 Main St. E., Carver; Sunday, March 7, 10 a.m.-noon. Learn the parts of a snowshoe and how to put them on. After some basic instruction on how to move in snowshoes participants will go exploring. Participants should dress in warm, waterproof layers.  Snowshoes are available for the program. Call 952-858-0715 to register.

Rapids Lake Trail Trek, Rapids Lake Education and Visitor Center, 15868 Carver Highlands Drive, Carver; Saturday, March 27, 1-3:30 p.m. This fast-paced walk is perfect for those looking to stretch their legs after a long winter. Participants should prepare for a muddy, wet trail.  Call 952-858-0715 to register.