Canoeing The Mangroves - A naturalist guided tour from the boardwalk at Rutherford Park, 600 NE 24th St., Boca Raton. Presented by the Gumbo Limbo Nature Center. Following the tour, paddle through the mangrove trails and back along the shoreline of the Intracoastal. Experience is necessary. Wear clothes and shoes that can get wet and dirty. Sun protection, water and bug spray are recommended. Ages 7-adult, an adult must participate with each child. 10 am-noon. $15/member, $22/non-member. Held again 4/2 (9:45-11:45 am). Reservations and pre-payment required: 391-8110 or www.gumbolimbo.org.