EXCITING NEWS: DISCOVER THE TILCAYO—
THE FIRST NEW SPECIES OF LIVING WILD CAT IDENTIFIED IN OVER ONE HUNDRED YEARS
A small spotted cat from Bolivia’s cloud forests has helped scientists rewrite the evolutionary history of South America’s tiger cats—and may provide a new opportunity to protect wildlife that remained scientifically unrecognized for generations.
ㅤ
For generations, people living in Bolivia’s Yungas region knew that a small spotted wild cat inhabited their forests. Science knew of these cats, too—but until now, it did not fully understand what they were.
ㅤ
That has changed.
ㅤ
Researchers have formally described Leopardus tilcayo, or the tilcayo, as a distinct species. According to the researchers, it is the first new living—or non-fossil—cat species formally named and described in more than a century.
ㅤ
But this is much more than the addition of another name to the scientific record. The research behind the discovery has helped fundamentally redraw the family tree of South America’s tiger cats, revealing that animals once classified much more broadly actually represent five distinct species with different evolutionary histories, geographic ranges and potentially very different conservation needs.
ㅤ
A Wild Cat Hidden in Plain Sight
ㅤ
At the center of the story is a small male cat known as “Tigrino.”
ㅤ
Found as a cub by a resident of Bolivia’s Nor Yungas region in 2016, Tigrino was eventually taken to La Senda Verde wildlife sanctuary. Researchers initially believed he belonged to a previously recognized tiger cat species, but something about him did not quite fit. He was unusually small, with distinctive irregular rosettes patterned across light-brown fur.
ㅤ
Those differences ultimately proved to be more than superficial.
ㅤ
Genomic analysis showed that Tigrino belonged to an evolutionarily distinct lineage that had gone scientifically unrecognized. He would eventually become the holotype of Leopardus tilcayo—the reference specimen used for the formal scientific description of the newly recognized species.
ㅤ
Even the animal's new scientific identity carries a connection to the people who knew these cats long before genetic analysis revealed their evolutionary history. “Tilcayo” comes from the traditional name used for the animal by communities in the Bolivian Yungas rather than a name created by the researchers.
ㅤ
DNA—and Animals Preserved Generations Ago—Tell a Larger Story
ㅤ
Tigrino alone could not reveal the entire picture.
ㅤ
To understand where the tilcayo belonged in the tiger-cat family tree, an international research team analyzed complete genomes from 38 cats representing different parts of South America. Importantly, eight of those genomes came from historical specimens preserved in museum collections in Europe and the United States.
ㅤ
That combination of modern genomics and historic museum specimens—sometimes called “museomics”—gave researchers something remarkable: the ability to compare living cats with animals collected generations ago, including specimens from places where these elusive wild cats are now rarely observed.
ㅤ
The resulting picture was considerably more complex than scientists had previously understood.
ㅤ
South America's tiger cats, once classified much more broadly, represent five distinct species. The research also identified a newly described subspecies from Peru's Yungas region, Leopardus tigrinus antisuyo. Although some of these cats may look remarkably similar, their genomes reveal independent evolutionary histories that outward appearance alone had concealed.
ㅤ
In the case of the tilcayo, that history reaches deep into the past. Genomic evidence indicates that its lineage diverged from its relatives approximately 1.4 million years ago.
ㅤ
Why Knowing the Difference Matters
ㅤ
Naming a species does not create it. The tilcayo was living in Bolivia's forests long before scientists gave it a formal scientific name.
ㅤ
Recognition does, however, change what we know—and potentially what we protect.
ㅤ
If several distinct species are mistakenly treated as one widely distributed species, conservation assessments can hide the vulnerability of individual populations. What appears on paper to be a small population within a species occupying a vast geographic range may actually represent an entire species confined to a much smaller area.
ㅤ
That can profoundly affect how scientists evaluate extinction risk, identify important habitat and establish conservation priorities.
ㅤ
And there are reasons for concern. Researchers identify habitat loss and fragmentation, hunting, diseases transmitted by domestic animals and climate change among the threats facing tiger cats. Bolivia's Yungas forests are themselves under pressure from deforestation, agriculture, fires and mining.
ㅤ
The genomic research also found low genetic diversity in some tiger-cat populations—an important concern because reduced genetic diversity can limit a population's ability to adapt as environmental conditions change.
ㅤ
For the tilcayo specifically, many basic questions remain unanswered. Scientists still need to establish its full geographic range, population size, behavior and ecological requirements.
ㅤ
In other words, formally recognizing the species is not the end of this scientific story. It is the point at which a new conservation story begins.
ㅤ
Discovery Must Be Followed by Protection
ㅤ
There is something genuinely hopeful about finding previously unrecognized biodiversity within a family of animals as familiar and extensively studied as cats.
ㅤ
The tilcayo's story also demonstrates how different forms of knowledge can work together. Local communities knew the animal. Museum collections preserved specimens that could be studied generations later. Modern genomic technology revealed relationships that appearance alone could not. International scientific collaboration brought those pieces together.
ㅤ
But perhaps the most important lesson comes after the discovery.
ㅤ
A species can live for thousands of generations without receiving a scientific name. Its forest can disappear just as easily whether science has classified the animal correctly or not.
ㅤ
That is why discovering a species and protecting a species cannot be treated as the same accomplishment.
ㅤ
The tilcayo reminds us that the natural world still holds extraordinary discoveries. The most meaningful way to celebrate one of its newest scientifically recognized wild cats is to ensure that the tilcayo—and the cloud forests upon which it depends—remain wild.
Read the complete article on PBS News
Related Reading:
“Illegal Wildlife Trade: Vanishing Wild”
Explore how newly publicized wildlife can become targets of collection and trafficking, and why increased human interest can create new conservation pressures for species already vulnerable in the wild.
KeepingWildlifeWild.org
Evidence – Education – Accountability
How You Can Help:
Awareness is the first step toward meaningful change. Help advance evidence-based education, transparency and accountability by sharing this article with others.
Together, we can encourage a more informed conversation about the treatment and protection of wildlife.
