Explore the gardens of Crandon Park on a leisurely canoe tour. Learn about the history of the gardens — once home to the Crandon Park Zoo — and its avian inhabitants. 2-3 p.m. Crandon Park, 4000 Crandon Blvd., Key Biscayne. $22. Details: (305) 361-5421 or www.miamidade.gov/parks.
Take a naturalist-guided walk through Miami-Dade County's second oldest park, while learning about the area's history and its flora and fauna. 9-10 a.m. Greynolds Park, 17530 W Dixie Highway, North Miami. $3. Details: (305) 949-1741 or www.miamidade.gov/parks. EVERGLADES EXPLORATION
The new EcoAdventures "Everglades 101" excursion takes attendees on a three-mile bicycle tour through the Everglades, ending with an airboat tour. 9 a.m.-2 p.m. A.D. Barnes Park, 3401 SW 72nd Ave., Coral Terrace. $50. Details: (305) 666-5883 or www.miamidade.gov/parks.
Learn camera basics and image editing in this five-week Beginning Nature Photography course. 5-7 p.m. Deering Estate at Cutler, 16701 SW 72nd Ave., Palmetto Bay. $150. Details: (305) 235-1668 or www.miamidade.gov/parks.