Get movin'! John the members of the Westford Council on Aging on Thursday, May 24, at 9 a.m., for their weekly Zumba dance class.

Looking to the sky Want to know more about birds of the tropics? Head over to the J.V. Fletcher Library in the Mary Atwood Hall, 50 Main St., on Thursday, May 24, for a talk detailing the kinds of birds of Costa Rica. Contact the library at 978-692-5555 ahead of the event to sign up.

Go Ghosts! Cheer on the freshman baseball team as they take on Lowell High School, 50 Father Morissette Boulevard, Lowell. The first pitch will be thrown at 4 p.m.