Bird-banding demonstration

The Audubon Society of Central Maryland will give a demonstration of bird banding from 8 a.m. to 10 a.m. Saturday, May 18, at the Audrey Carroll Audubon Sanctuary, 13030 Old Annapolis Road in Mount Airy. Birds will be captured, fitted with a numbered aluminum band and released unharmed. Birds banded last year might be part of the returning group. Information: 301-831-5660.

Clarksville festival

The Clarksville Elementary School PTA's annual Spring Fling, Carnival and Silent Auction featuring rides, midway games, laser tag, food and more begins at noon Saturday, May 18, at 12041 Clarksville Pike. Information: 410-313-7050.

Yard sale for charity

Christ Lutheran Church will hold a yard sale at 9 a.m. Saturday, May 18, at 12570 Clarksville Pike. Proceeds benefit two local charities, Grassroots Crisis Intervention Center and FISH of Howard County. The event will be held rain or shine. Information: 301-854-2100.

Food pantry

The Glenelg United Methodist Church Food Pantry will be open from 9 a.m. to 10 a.m. Saturday, May 18, at 13900 Burntwoods Road. Groceries, toiletries and household products are available to those in need. Information: 410-489-7260.

Flea market

The River Hill Community Association hosts a flea market at 10 a.m. Sunday, May 19, at 6020 Daybreak Circle in Clarksville. Information: 410-531-1749.

Senior center

Glenwood Senior Center, 2400 Route 97, Cooksville, offers the following events. Information: 410-313-5440:

Sittercize The hourlong exercise program includes seated aerobics, stretching and strengthening drills, 1 p.m. Mondays, Wednesdays and Fridays. The cost is $36 for 18 classes.

Fit for Life exercises Participants do aerobics, strength training and abdominal work, 8:20 a.m. to 9:20 a.m. Fridays. $45 for 12 classes.

Painting and drawing A painting and drawing open studio will be held from 9 a.m. to noon Wednesdays. Bring your own supplies. Free.

Hatha yoga Classes in this Indian system of physical postures and breathing will be held from 9 a.m. to 10 a.m. Tuesdays and Thursdays. $45 for eight classes.

Silver Sneakers Walking Club The group is led by a staff member on an indoor track at 8:30 a.m. Mondays through Fridays. Everyone is invited.

Shoot pool Everyone is invited to shoot pool from 8 a.m. to 2 p.m. Mondays through Fridays.

Senior hoops Players are welcome at 9 a.m. Mondays, Wednesdays and Fridays.