In the 1800s, Florida panthers thrived in the southeastern United States, but by the mid 1900s, there were very few of the animals left. When biologists like Mark Lotz realized that wildlife refuges would only do so much to save this endangered species, they got to work. Follow along in this graphic adventure based on a true story of how biologists saved the unhealthy population for a Florida panther comeback. Then, learn more about Florida panthers and other cats in danger.