About 464 plants and animals found in the United States and its territories are listed by the U.S. Fish and Wildlife Service as threatened or endangered. Another 3900 are candidates for protection. The activities in this guide are designed to help teachers and students understand the issue of endangered species. It includes ideas for several activities that can be done at school, home, and in the community. The guide also contains information on 12 endangered species that are pictured in an accompanying poster. These plants and animals are: (1) the American bald eagle; (2) Englemann's purple-spined hedgehog cactus; (3) the Florida manatee; (4) the Florida panther; (5) the gray wolf; (6) the grizzly bear; (7) the Hawaiian monk seal; (8) the leatherback sea turtle; (9) the piping plover; (10) the small whorled pogonia; (11) the whooping crane; and (12) the wood stork. Also included is a bibliography and a list of conservation organizations. (TW)