Photo by Tim Brown.

WOLVES: Red Wolf Revival documents “the multifaceted struggle to reintroduce one of the rarest animals on earth in the face of cultural, economic, and biological challenges in North Carolina.” A discussion and Q&A will follow the screening. Carnegie Institution for Science (1530 P Street NW) 7-9 p.m. Free

FLOWERS: Watch three women’s lives become altered by the “mere presence of bouquets of flowers.” This screening of Loreak is presented in Euskara (Basque) as part of the Mother Tongue Film Festival. Atlantic Plumbing Cinema (807 V Street NW) 7 p.m. Free

MUSIC: Listen to “imaginative music inspired by geography” during Mason Bates’s KC Jukebox: Of Land & Sea. The free after party includes a complimentary cocktail. The John F. Kennedy Center for the Performing Arts – Theatre Lab (2700 F Street NW) 8 p.m. $20

MARGARITA-OFF: Today is apparently National Margarita Day. In honor of the “occasion,” six bartenders will go head-to-head to make the best craft margarita cocktail&mdahs;which will be determined by the thirsty crowd. Quarter + Glory (2017 14th Street NW) 5 p.m. $25

Later this week…

TUESDAY: Sing along to Kelly Clarkson, Justin Bieber, Alanis Morissette, Adele, and more. The monthly sing-along by A People’s Choir DC is back with “Breakup Songs Vol. II.” DC9 Nightclub (1940 9th Street NW) 7:30 p.m. Free

WEDNESDAY: Explore the history of dinosaurs in film with with Matthew Carrano, Curator of Dinosauria. National Museum of Natural History – Ground Floor (10th Street and Constitution Avenue N.W.) 6:30-8 p.m. Free

THURSDAY: Sip samples from Capital Teas, Pansaari, and Calabash at “Sixth & Chai: A Tea Tasting.” Sixth & I (600 I Street N.W.) 7:30 p.m. $12-15