Start the morning off right with an open-air Tai Chi class. Learn 12 slow-flowing movements that improve balance and flexibility and help reduce stress. 9:45-11 a.m. Westwind Lakes Park, 6805 SW 152nd Ave., Kendall. Free. Details: (305) 234-1673 or www.miamidade.gov/parks/parks/westwind.asp.
BY THE FIRE
Unwind after the work week on a naturalist-led hammock hike in search of nocturnal creatures, followed by stories and marshmallow roasting around the campfire. 7:30-9 p.m. Arch Creek Park, 1855 NE 135th St., North Miami. $6. RSVP required. Details: (305) 944-6111 or www.miamidade.gov/parks/parks/arch'creek.asp.
Take a guided eco bike tour through a mangrove forest at the edge of Biscayne Bay, a tropical hardwood hammock and other native ecosystems at Deering Estate at Cutler. 10 a.m.-noon. Deering Estate at Cutler, 16701 SW 72nd Ave., Palmetto Bay. $20-$25. Details: (305) 235-1668 or www.deeringestate.org.
This naturalist-guided canoe trek in Biscayne Bay affords opportunities to observe the world's only salt-water trees and animals like sting rays, nurse sharks and Great Blue Herons in their natural habitats. 10 a.m.-noon. Matheson Hammock Park, 9610 Old Cutler Road, Coral Gables. $30. RSVP required. Details: (305) 365-3018 or www.miamidade.gov/ecoadventures/kayak'snorkel'matheson'canoe.asp.
Enjoy live music and view the grounds of Vizcaya Museum and Gardens by night on a moonlight tour. 6:30-9 p.m. Vizcaya Museum and Gardens, 3251 S Miami Ave., Coconut Grove. $15. Details: www.vizcayamuseum.org.