This revised and updated guide provides resources for teaching about the Florida manatee, a nearly hairless, thick-skinned marine mammal without hindlimbs and with paddle-like forelimbs. The manatee (an endangered species) is sometimes called a sea cow. The guide includes: (1) a vocabulary list; (2) a list of suggested readings; (3) an annotated list of selected slide programs, filmstrips, and films; (4) brief descriptions of possible classroom and field activities (such as using word games, designing wall murals, using guest speakers, preparing research papers, organizing skits and role playing sessions, investigating the mermaid/manatee debate, visiting a manatee sanctuary, conducting school and boat ramp surveys, and making the public aware about the manatee); (5) a manatee awareness questionnaire; and (6) activity sheets suitable for duplication. The latter include such vocabulary activities as word searches, a crossword puzzle, a connect-the-dot activity, and a field study form. (JN)