The Florida panther brings several conservation questions into focus at once. How can a small population recover? What happens when its paths meet busy roads? And how do researchers explain a problem whose cause remains unknown? This large native cat offers a way to explore each question through evidence, while remembering that recovery is a continuing responsibility.
Florida's Big Cat
The Florida Fish and Wildlife Conservation Commission (FWC) identifies the Florida panther (Puma concolor coryi) as the larger of Florida's two native cat species; the other is the bobcat. Panthers have been documented through much of the Florida peninsula and even into Georgia, although the core population is south of Lake Okeechobee. Those two descriptions answer different questions: where a panther has been recorded, and where the population is concentrated.
The FWC Panther Program estimates approximately 120-230 adults and identifies the panther as endangered under the Endangered Species Act. Keep the word adult with that estimate when sharing it: a count of adults describes a different group from a count that includes kittens.
The U.S. Fish & Wildlife Service species profile describes a long-tailed cat with pale brown or rusty upper parts and lighter underparts. Mature wild males examined in Florida have weighed 102-154 pounds and measured nearly seven feet from nose to tail tip. Females in the profile weighed 50-108 pounds and measured about six feet. These are reported measurements, rather than a promise that every animal will match them.
From 20-30 Animals to Genetic Rescue
FWC research during the 1980s and early 1990s suggested that only 20-30 panthers remained in the wild. Years of persecution and habitat destruction had left the surviving animals isolated in south Florida. Small numbers were only part of the problem: isolation also limited genetic variation.
As described in FWC's genetics account, a 1992 population viability analysis projected extinction within 24-63 years because of the small, isolated population and genetic problems associated with inbreeding. That was a prediction made under the conditions being studied, rather than a fixed deadline independent of conservation action.
In 1995, eight female Texas pumas were released in south Florida to restore genetic variation. Researchers and collaborators then assessed genetic mixing in the population. The example helps explain why conservation asks about the relationships among animals as well as how many remain.
Roads and Wildlife Crossings
The 2025 Panther Pulse lists 18 documented panther deaths. Vehicle collisions appear in its records, alongside a death attributed to intraspecific aggression, meaning aggression between members of the same species. The table also records a litter of three male kittens handled in March 2025. These entries document particular animals and events; they should not be treated as a complete population count.
FWC reports that annual panther roadkills were four or fewer before 2000 and ranged from six to 34 beginning in 2000. Its wildlife crossings account describes a practical response: passages paired with fencing that directs animals toward them.
When Alligator Alley became Interstate 75, 24 crossings and 12 modified bridges were completed along a 40-mile stretch in the early 1990s, with continuous barrier fencing. FWC now reports 60 crossings or bridges modified for panthers on Florida roads, and sharply reduced vehicle deaths where crossings and fencing are present.
A Puzzling Disorder
Some panthers and bobcats have shown rear-leg weakness that makes walking difficult. FWC calls the condition feline leukomyelopathy, or FLM. Its account of the disorder says the first video of an affected kitten arrived in spring 2018; additional reports in 2019 suggested a broader issue.
FWC and its collaborators continue testing, but a cause has not yet been determined. The observed walking difficulty, the name of the condition and the unanswered question of its cause are separate parts of the story. A careful explanation keeps that uncertainty visible.
How Floridians Help
Respect begins with leaving the animal undisturbed: FWC states that harming or harassing panthers is illegal. Learning about crossings and genetic variation also makes conservation more concrete. Each addresses a particular problem, while the unexplained disorder shows why some questions remain open. For a look at Florida's other native cat, explore Bobcats in Florida.