If the holidays have left you feeling a bit run down, you may want to recharge your spirits with the family. You can discover how animals communicate during a special program Sunday at the National Zoo and you can see the pandas being fed while you're there.

The Monk Family will be strumming their banjos and banging their drums this Saturday morning. So head on down to the National Theater to hear a little jazz, classical and popular music from this singing clan.

The following activities are free unless otherwise noted.

NATIONAL ZOO -- Open daily; gates open from 8 to 6; animal buildings, 10 to 4:30; panda feedings, 11 and 3, 3000 Connecticut Ave. NW, on the Metro Red Line. Family learning centers Zoolab and Birdlab open Friday through Sunday, noon to 3; Herplab open Wednesday through Sunday, noon to 3. Sunday, 1 to 3:30, Education Building, explore ways animals communicate through color, gesture, behavior and smell; with a zoo curator and the Echo Mime Company.

OXON HILL FARM -- Open daily, 8:30 to 5, Oxon Hill Road (take Beltway exit 3A, turn right on Oxon Hill Road,). Saturday, 3 to 4:30, join a farmer and help with afternoon farm chores, including milking, feeding hay to the livestock and gathering eggs. 839-1177.

NATIONAL AQUARIUM -- Open daily, 9 to 5, Department of Commerce, 14th and Constitution Avenue NW. The sharks are fed Monday, Wednesday and Saturday at 2; weekday features are a touch-tank, mini- theater and a thousand types of marine life. Adults $1; children 50 cents. 377-2825.

CEDAR HILL -- Open daily, 9 to 4, 1411 W St., Anacostia. Cedar Hill, Frederick Douglass' home, recalls his work with films, interpretive exhibits and a house tour. 426- 5961, 426-5962 or 426-5963.

USS BARRY -- Open daily, 10 to 4, Washington Navy Yard. The Navy destroyer's weather deck is open for public viewing and self-guided tours. 433-3377.

DOLL'S HOUSE & TOY MUSEUM -- Tuesday through Saturday, 10 to 5; Sunday, noon to 5, 5236 44th St. NW. A collection of antique dollhouses, dolls, toys, games and an exhibit of antique cat games and toys. Adults $2; under 14, $1; group rates available. 244-0024.

RAILROAD STATION MUSEUM -- Saturday, 11 to 4; Sunday, noon to 5, Main Street and Maryland Avenue, Ellicott City. The renovated station has a diorama of the trip of Tom Thumb (an early 19th-century train) from Baltimore to Ellicott City. There are also sight and sound shows, model train exhibits and tours of the museum. Adults $1.25; under 13, 75 cents. 301/461-1944.

DISCOVERY THEATER -- Friday, 10 and 11:30; Saturday, 1 and 3: Arts and Industries Building, 900 Jefferson Dr. SW. The Bob Brown Puppets perform "Puss in Boots." A cat wins the gift of magic boots through an act of kindness and then confronts an evil ogre and struggles for the freedom of the kingdom. $2.50, discounts for families and groups. 357- 1500.

ANACOSTIA NEIGHBORHOOD MUSEUM --

Friday 10 to 6; Saturday and Sunday, 1 to 6, 2405 Martin Luther King Jr. Ave. SE. Afro- American history lectures to ages four through eight as well as group tours and teaching services. 287-3369.

ROLLERSKATING -- Friday, 7 to 9, Madison Community Center, 3829 N. Stafford St., Arlington. For elementary-school children and their parents. $1. 527-6771.

CHILDREN'S RADIO THEATER -- Saturday, 8 a.m., WPFW 89.3 FM. "Live From Kennedy Center, Part 1," a rebroadcast of winning plays from the Henny Penny Playwriting Contest. "Bill," the adventures of a misprinted dollar bill; and "The Lucky One," a boys struggle to save an endangered species of bird. Listeners can participate in a call-in following each program by calling 783-3104.

BIRDWALKS ON ROOSEVELT ISLAND -- Saturday and Sunday, 8:30, Roosevelt Island Parking Lot, by the bridge, George Washington Parkway (northbound side only). Bring binoculars, wear subdued clothing and learn what birds look like and how they sound. Reservations required. 285-2598.

SATURDAY MORNING AT THE NATIONAL -- Saturday, 9:30 and 11, Helen Hayes Gallery, National Theater. The Monk Family will present a show of song, poetry and jazz, classical and popular music. Reservations recommended. Call 783-3372, 24-hours a day.

TROLLEY MUSEUM -- Saturday and Sunday, noon to 5, Northwest Branch Regional Park, Bonifant Road between Layhill Road and New Hampshire Avenue, north of Wheaton. Trolley rides: $1 adults; under 18, 75 cents; under two, free. 384-9797.

STORYTELLING -- Saturday, 12:30, Museum of African Art, 318 A St. NE. African folktales will be the focus of films and stories told by Museum docents. 287-3490.

CHILDREN'S PLANETARIUM -- Saturday and Sunday, 1, Rock Creek Nature Center, 5200 Glover Rd. NW. Minimum age four, ages four to seven must be accompanied by an adult. 426-6829.

WINTER INSECTS -- Saturday, 2, Watkins Nature Center, 301 Watkins Park Dr., Largo, Maryland. Learn about insects and what they do during the winter on this hike. $5. 249- 6202.