Saturday

Commune with nature

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Take an early morning bird walk and meet your feathered neighbors in Churchville Saturday. The program, offered 7-9 a.m., is free through the Friends of the Churchville Nature Center and the Bucks County Department of Recreation. Friends suggest that participants bring binoculars and a bird identification guide. The starting location is the nature center at 501 Churchville Lane, Churchville. Information: 215-357-4005,

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Saturday

Laugh it off

Terry Gillespie, Mr. Rubber Face, will be among the performers at Saturday's Comedy Showcase Night at the Bucks County Comedy Cabaret. A Showcase Night with Ed G., Roger Weaver, John Kensil and others also is planned at 9 p.m. Saturday at the Bensalem/Northeast Philadelphia Comedy Cabaret. The Bucks County show is scheduled for 9 p.m. at Atop Pocos Restaurant, 625 N. Main St., Doylestown. Admission: $17.50. Information: 215-345-5653. The Bensalem show is at the Ramada Hotel (formerly Travelodge), 11580 Roosevelt Blvd., Philadelphia. Admission: $15. Information: 215-676-5653.

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Do This!

Saturday-Sunday

One holiday season

The National Liberty Museum is offering several events this month to mark the true meaning of the holidays. Celebration Tours are being offered Tuesdays through Sundays from 10 a.m. to 5 p.m. at the museum, 321 Chestnut St. Visitors also receive a free celebrations activity booklet. The museum is offering free admission on Sundays in December, a chance to check out the facility for those unfamiliar with its offerings. Each weekend, visitors also are invited to work on holiday cards for orphaned children and American troops overseas. Information: 215-925-2800,

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Today-Wednesday

Free tickets

"Celebrating Our Imprint: The Mosaic of American Culture," a series that celebrates the diversity of American culture, is at the National Constitution Center noon-4 p.m. today through Wednesday. The center also is offering a discount, one free ticket for every two purchased at the regular price through New Year's Eve. Tickets must be used on the day of purchase. "The Story of We the People" is among the displays that celebrate the diversity of American culture. Visitors can try Mexican hot chocolate, design gingerbread houses, dance to samba music, learn African American ring and clapping games, or write constitutional haikus. Visit

for a schedule. Tickets: $12, $11 for seniors ages 65 and up, and $8 for children ages 4-12. Active military personnel and children ages 3 and under are free. Tickets also may be purchased online at

or by calling 215-409-6700.