Catalina Island Fox Population Rebounds

Why this is here: The Catalina Island fox experienced what is hailed as the fastest mammal recovery in the history of the Endangered Species Act, going from 100 individuals to roughly 1,300 in under two decades.

Conservationists in California’s Los Angeles County helped the Catalina Island fox recover from near extinction. In 1999, a canine distemper virus reduced the fox population on Catalina Island by over 90%, leaving only about 100 animals.

The Catalina Island Conservancy and the Institute for Wildlife Studies then began captive breeding programs and vaccinations. By 2016, the species was downlisted from endangered to threatened—a remarkably fast recovery.

Today, roughly 1,300 foxes live on the island, but the species remains threatened by disease, ear mites, and vehicle collisions. Conservancy staff and volunteer pilots continue to monitor the fox population, performing health checks and vaccinations annually. The fox also functions as an ambassador for the island’s overall ecosystem, appearing as the mascot for wildfire safety campaigns.

Though a success story, the Conservancy notes that consistent financial support and dedication are crucial for ongoing conservation efforts. The work to protect this unique species continues.