The Florida panther has been listed as an endangered species since 1967 and now lives in just 5% of its former range.
Another Florida-based species, the Florida manatee is found off the coasts of Florida and has been listed as endangered since 1973.
There are only about 15 to 17 red wolves left in the wild in the U.S. In 1987, they were considered extinct, but a captive breeding program revived the species.
California condors are the largest bird in North America. In the 1980s, California condors nearly went extinct due to poisoning from lead and consuming DDT, a pesticide that was banned in 1972.