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Scientists identify first new wild cat species in over 100 years

Researchers have formally named and described Leopardus tilcayo, a previously unknown small cat species discovered in Bolivia. The discovery marks the first new living felid species to be scientifically identified in more than a century.

LSN World News · 18 September 2026

Scientists identify first new wild cat species in over 100 years

The newly identified species, Leopardus tilcayo, represents a significant addition to the world's known biodiversity and underscores how much remains to be discovered in remote regions of South America. The small wild cat was formally described by scientists working in Bolivia, where it inhabits forested areas that have only recently been systematically surveyed for wildlife.

The last time researchers formally named and described a previously unknown living cat species was over 100 years ago, making this discovery particularly noteworthy for the global scientific community. Leopardus tilcayo joins a genus of small neotropical cats that are found across Central and South America, though many aspects of the species' behavior, ecology, and range remain to be studied.

The identification of Leopardus tilcayo highlights the importance of continued biodiversity surveys in tropical regions, particularly in areas threatened by habitat loss and deforestation. Scientists emphasize that remote and biodiverse regions like those in Bolivia may harbor numerous species yet unknown to science, underscoring the need for conservation efforts and further research into these vulnerable ecosystems.

The formal description of the species has been published in scientific literature, providing the foundation for future research into its distribution, population status, and ecological role within its native habitat. Experts note that understanding this newly identified species will require ongoing fieldwork and collaboration among researchers across South America.