Nonprofit organization dedicated to bear habitat preservation describes its goals. Read a message from the president and find membership details.

Facts on history, habitats, appearance and endangered status of this big cat. Includes photos, sounds, search and a virtual safari.

Contains photos and facts on these endangered animals, plus information on how you can help. With a discussion board and links.

Promotes the protection, preservation, and propagation of gorillas. Learn about efforts to teach two gorillas a form of American Sign Language.

IOSF describes its worldwide efforts to conserve the 13 known species of otter. Explore the "adopt an otter" program.

Contains FAQ, notes from the field, publications, photos and press releases from the U.S. Fish & Wildlife Service.

Learn why this group believes the black-tailed prairie dogs should be preserved and read the FAQ.

Action center is sponsored by the Save the Manatee Club. Find out how to contact policymakers.

Visit the burrow photo gallery, join the adoption program, read about the biology of marmots, or review annual reports.

Naturalist Marlin Perkins founded the Washington University research center. Explore breeding updates and Wolf Sanctuary reintroduction programs.