Human actions are threatening every kind of creature, from bears to birds to beetles. Every year more species slip into extinction. And as one scientist points out, “This is not like Jurassic Park. We can't bring them back.” Explore these never before published maps and see how much we stand to lose.

View the maps -------- Major Habitats Amphibians Birds Butterflies Crayfish Fishes Mammals Reptiles Snails Tiger Beetles Unionid Mussels Vascular Plants -------- Forum Resources & Links -------- Credits For a glossary of unfamiliar terms, select “Help” on any map screen. For more biodiversity maps, see the February 1999 issue of NATIONAL GEOGRAPHIC.