Shake-A-Leg Miami teaches you how to responsibly skipper and crew a simple daysailing keelboat in familiar waters with light to moderate wind and sea conditions. Successful completion of course comes with logbook and U.S. Sailing memebership. This 24-hour class meets every Sat. morning for six weeks at Shake-A-Leg Miami, 2600 S. Bayshore Drive, Miami. Classes begin Jan. 18. Ages 16 and up. Cost is $520. Details: (305) 858-5550.
Learn to appreciate nature as you explore Greynolds Park's amazing wilderness trails. Visit more than 175 native plant species, birds, butterflies, squirrels, opossums, foxes, turtles and the rare West Indian manatee. Visitors can also hike to the top of a famous rock fort. 2 p.m.-4 p.m. Dec. 22, 28 and 29. Greynolds Park, 17530 West Dixie Highway, Miami. Cost $3. Details: (305) 945-3425.
Participants will learn binocular basics for observing wildlife. A naturalist will guide you through the park's bird rookery and butterfly hot spots. 10 a.m.-12 p.m. at Greynolds Park, 17530 West Dixie Highway, Miami. Cost $3. Details: (305) 945-3425.
EDIBLE NATIVES TOUR
Learn to use South Florida native plant life for food and medicinal purposes in survival situations. 10 a.m.-2 p.m. at Arch Creek Park, 1855 NE 135 St., Miami. Cost $3. Details: (305) 944-6111.
Canoe down the calm waters of the Oleta River, home of the endangered West Indian Manatee. 9 a.m.-1 p.m. at Greynolds Park, 17530 West Dixie Highway, Miami. Trip open to adults only and is rated moderately difficult. Cost $20. Details: (305) 945-3425.
JUNIOR MARINE CERTIFICATION
Biscayne Nature Center hosts "Junior Naturalist Two Day Certification in Marine Animals". Learn about sea turtles, manatees, dolphins and whales through hands on activities, nature walks, experiments and arts & crafts through Dec. 28. 10 a.m.-2 p.m. Biscayne Nature Center, 6767 Crandon Blvd., Key Biscayne. Price $25 for members, $35 for non-members. Details: (305) 361-6767, ext. 119.