Endangered Species This link opens in a new windowIncluding the addition of 25 new species, this 2nd edition is completely updated to reflect the changes in endangered and threatened status. Color photographs and maps provide further illustrate the many species threatened by extinction, including amphibians, birds, crustaceans, fish, insects, mammals, mollusks, reptiles, and more. Each entry gives a species description, location, reason for endangerment, and measures being taken to prevent it from extinction.
