Berwyn Heights bird walk, hosted by the Prince George’s Audubon Society, habitats include open water, wetlands, forests and meadows, with sighting opportunities for woodland and field songbirds, waterfowl and raptors. 3 p.m., meet at the parking lot for the Luther Goldman Birding Trail, Lake Artemesia Natural Area, Berwyn Road and Balew Avenue, Berwyn Heights. Free. 301-459-3375.
Broadcast industry exhibits, working vintage radios and televisions, with related memorabilia. 10 a.m.-5 p.m. Fridays; 1-5 p.m. Saturdays and Sundays, National Capital Radio and Television Museum, 2608 Mitchellville Rd., Bowie. 301-390-1020.
“Xtreme Teens” ice-skating, for ages 10-17, travel to the Garden Ice House in Laurel. 7:15-10 p.m., Beltsville Community Center, 3900 Sellman Rd. $15. 301-937-6613.
Bowie bird walk, Prince George’s Audubon Society members lead a walk in the Fran Uhler Natural Area; waterproof footwear and binoculars recommended. 7:30 a.m., meet at the end of Lemons Bridge Road, next to the Bowie State University campus. Free. 410-765-6482.
Jug Bay bird walk, for age 12 and over, learn how to identify birds by sight and sound. 8-11 a.m. Saturdays, Jug Bay Wetlands Sanctuary, 1361 Wrighton Rd., Lothian. Free with paid admission: $5; seniors and age 17 and younger, $3. Registration required. 410-741-9330.
Potluck/gift exchange, bring a gift (suitable for a man or a woman) worth $10. Sponsored by Laurel Post Cana, a support group for widows and widowers. Noon-3 p.m., Resurrection of Our Lord Catholic Church, Maryland City Senior Activity Site, 8402 Brock Bridge Rd. Reservations required. Lorraine Miller, 301-725-5284.
Documentary film, a screening of “The American Elm: Majestic, Imperiled, Renewed,” produced by Prince George’s environmentalist Dan Smith; a discussion follows. 7 p.m., Hope Lutheran Church and Student Center, 4201 Guilford Dr., College Park. 240-264-7924.
Laurel “Senior Idol” auditions, senior citizens are invited to take part in the 2013 Prince George’s County Senior Idol competition and a chance to represent the county in the statewide contest in April. 9 a.m.-1 p.m., Laurel-Beltsville Senior Activity Center, 7120 Contee Rd. 301-206-3355.
Bowie-Crofton camera club competition, bring your best “at peace” image (photos should evoke a sense of calm, stillness, serenity and tranquility) to take part in the competition, or help judge the entries. 7:30 p.m., All Saints Lutheran Church, Mount Oak Road and Route 301, Bowie. 301-604-7772 or www.b-ccc.org.
Camp Springs “Senior Idol” auditions, senior citizens are invited to take part in the 2013 Prince George’s County Senior Idol competition and a chance to represent the county in the statewide contest in April. 9 a.m.-1 p.m., Camp Springs Senior Center, 6420 Allentown Rd. Free. 301-449-0490.
Landover “Senior Idol” auditions, senior citizens are invited to take part in the 2013 Prince George’s County Senior Idol competition and a chance to represent the county in the statewide contest in April. 9 a.m.-1 p.m., Prince George’s Ballroom, 2411 Pinebrook Ave., Landover. 301-341-7439.
“Meet the Author” event, College Park writer Todd Ohl discusses his first novel, “The Book of 21,” the story of a Philadelphia detective who discovers that a case is related to a book about ancient secrets. 7:30 p.m., College Park Community Library, 9704 Rhode Island Ave. Free; reservations required. 301-275-4458 or firstname.lastname@example.org or www.cpcommunitylibrary.com .
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