Natural History Speaker Series, Pine Flatwoods Flora: Learn about the dragonfly and butterfly habitats that are supported by the pine flatwoods, plus some of the other animals that make it their home. 7:30 p.m. Free. Boyd Hill Nature Preserve, 1101 Country Club Way S, St. Petersburg. (727) 893-7326. stpete.org/boyd.
Miniature train rides: Kids of all ages can ride the miniature trains of Largo Central Railroad. 10 a.m. to 4 p.m. Free (donations for train maintenance appreciated). Largo Central Railroad, 105 Central Park Drive. (727) 587-6775. lcrailroad.com.
Trop Rock Junkies concert for fallen officers: The band performs tropical-themed songs after 2 p.m. Festivities begin at noon. Free. Hideaway Café, 1756 Central Ave., St. Petersburg. (727) 644-7895. hideawaycafe.biz.
Yoga at the Dalí: Every Sunday, the Dalí Museum holds yoga classes in a room with a view of the waterfront. Beginners and those more experienced are welcome. Bring a mat or towel. 12:30 to 1:45 p.m. $10 members and students, $15 nonmembers. Dalí Museum, One Dalí Blvd. (Bayshore Boulevard and Fifth Avenue SE), St. Petersburg. (727) 823-3767. thedali.org.
Chicago: Sexy, Tony Award-winning musical is about murder and celebrity based on the true stories of two women who were acquitted of murder charges in 1924. 2 p.m. $24, $10 students. St. Petersburg Little Theatre, 4025 31st St. S. (727) 866-1973. splt.org.
Play It Again, Sam: Woody Allen's romantic comedy about a neurotic film critic whose wife has left him is brought to life by Island Community Theatre. 2 p.m. $10 students, $15 adults. Catherine Hickman Theatre, 5501 27th Ave. S, Gulfport.
Looking: Comedy about middle-aged singles looking for and finding love is staged by Venue Ensemble Theatre. Part of the proceeds will benefit Meals on Wheels. 3 p.m. $15. Venue Theatre, 9125 U.S. 19 N, Pinellas Park. venueactorstudio.org. (727) 822-6194.
Here's to You, Harold Pinter: Revolve Theatre Company presents a collection of one-act plays by English playwright Harold Pinter, who died in 2008. Victoria Station, Ashes to Ashes and A Kind of Alaska celebrate the life and work of Pinter. Runs through today. 3 and 7 p.m. $25, $20 students and seniors. Studio@620, 620 First Ave. S, St. Petersburg. (727) 895-6620. studio620.org/620.
John and Mary K. Wilson: John Wilson, anchor of Channel 13 Fox News, and his wife put on a concert for the community. 3 p.m. $5 donation. Pilgrim Congregational United Church of Christ, 6315 Central Ave., St. Petersburg. (727) 347-1226.
Pinellas Park Civic Orchestra: An evening of movie themes, Broadway hits and light classics includes vocalists. 7:30 p.m. Free, donations accepted. Pinellas Park Performing Arts Center, 4951 78th Ave. N. (727) 397-3832. pinellas-park.com.
First Sunday Improv Night: Gavin Hawk and Ricky Wayne take audience suggestions of character relationships and location, then turn them into a spontaneous one-act play. 8 p.m. Pay what you can at the door, $15 advance. American Stage, 163 Third St. N, St. Petersburg. (727) 823-7529. americanstage.org.
Support Our Troops Golf Tournament: An 18-hole four-person mixed men's and women's scramble has contests in putting, longest drive and closest to the pin. Registration begins at noon. Benefits soldiers fighting in Afghanistan. 1 p.m. $100 per golfer, $350 per team. St. Petersburg Country Club, 2000 Country Club Way. (727) 363-9232. stpetecountryclub.com.
Wonderland audition: The Petite Little Theatre program for children ages 8 to 14 will hold auditions for a six-week theater-training program that ends with the presentation of the musical. Everyone who auditions gets a part. Scholarships are available. 3:30 to 5:30 p.m. today and Tuesday. $50. St. Petersburg Little Theatre, 4025 31st St. S. (727) 864-2850. splt.org.
Zora Neale Hurston: Phyllis McEwen brings to life Hurston's folklore, spirituals, work songs and comedy. Reservations recommended. 7:30 p.m. Free. Studio@620, 620 First Ave. S, St. Petersburg. (727) 895-6620. thestudioat620.org.
Clothing swap: Bring up to five used garments to exchange for vouchers to choose from garments brought in by other participants. If you can't part with any clothes, vouchers can be purchased for $3 each. Extra clothing and proceeds from voucher purchases benefit Community Action Stops Abuse. 9 a.m. to 1 p.m. The Outpost, 3007 Beach Blvd., Gulfport. (727) 366-4086.
Nate Najar Trio: The jazzy gentlemen perform an intimate and swinging set. 7:30 p.m. $20. Studio@620, 620 First Ave. S, St. Petersburg. (727) 895-6620. thestudioat620.org.
Glow golfing: Golfers will chase what look like tiny prisms down the waterfront course lit by glow sticks in this nine-hole, par 3, four-person scramble. 7 p.m. $20. Treasure Bay Golf and Tennis, 10315 Paradise Blvd. (727) 360-6062.
Ma Rainey's Black Bottom: The August Wilson play, set in a Chicago recording studio in 1927, runs through Feb. 20. Contains mature subject matter and language. 7:30 p.m. $29-$50 depending on day and time of performance. American Stage Theatre Company at Raymond James Theater, 163 Third St. N, St. Petersburg. (727) 823-7529. americanstage.org.