New Wildcat Species ‘Tirukayo’ Discovered in Bolivia — First in Over 100 Years

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The story

A paper published on September 17 in the U.S. journal Current Biology reports the discovery of “Tirukayo,” a new living cat species — the first such find in more than 100 years — in the cloud forests of Bolivia, South America. Smaller than a housecat, it belongs to the genus Leopardus, the same genus as the ocelot and the Pampas cat (colocolo). On 5channel, threads lit up with a flood of adorable photos, alongside cat-lover tangents ranging from wordplay on the name “Tirukayo” (said to derive from a local language) to the history of cat domestication and the eye-watering prices calico cats fetch these days.

A new species of living cat — the first discovered in more than 100 years — has been found in the cloud forests (mountain forests frequently shrouded in fog and low clouds) of Bolivia, South America. The paper was published on September 17 (local time) in the U.S. journal Current Biology. The new species has been named “Tirukayo.”

Its habitat is the Yungas, cloud forest spanning the eastern slopes of the Bolivian Andes. Its body is smaller than that of a typical housecat. The genus Leopardus comprises small wild cats found throughout the Americas, with well-known examples including the ocelot and the Pampas cat (colocolo).

The research involved Paola Nogales-Ascarrunz, Jonas Lescroart, and others. Nogales-Ascarrunz leads Programa de Investigación de Félidos Bolivia, a Bolivian wild cat research and conservation program. Beyond formally describing the new species, the team also gained new insights into South America’s small “tiger cats” (the jaguar-cat group), and reportedly identified a new subspecies as well.

Source: news.yahoo.co.jp / Original article here

What people said

3AnonymousSep 19, 2026 08:52
Guess stuff like this still happens even in this day and age, huh
74AnonymousSep 19, 2026 09:15
Re: #3
(;゚Д゚) They said tens of thousands of new species get discovered every year
13AnonymousSep 19, 2026 08:56
Hmm, kitty~ (a cutesy pun blending "hmm" and a cat's meow)
173AnonymousSep 19, 2026 09:56
Re: #13
Meow~ this one's kinda cat-like and adorable~
184AnonymousSep 19, 2026 10:00
Re: #13
That's just a cute cat lol
Though I guess since it's wild, the pattern's probably there to help it blend into the background
195AnonymousSep 19, 2026 10:09
Re: #13
This one's cute
I like this sleek, lean look
27AnonymousSep 19, 2026 08:59
Re: #1
Is this the guy?
https://p.potaufeu.asahi.com/3958-p/picture/21366428/be3aba7b23c9d991873c9c5c9d4c0369.jpg
29AnonymousSep 19, 2026 09:00
Is it really a new species?

Kinda looks like it could just be an old pet cat that escaped and went a little feral, no?
203AnonymousSep 19, 2026 10:12
Re: #29
More of a direct branch off an ancient lineage than a brand "new species" — turns out it didn't descend through any other known cat species
44AnonymousSep 19, 2026 09:04
> People around here call this cat "Tirukayo."
> When asked if the word means anything in the indigenous language
> they were just told, "That's a Tirukayo."

Well yeah, it's the same for us — if you pointed at a cat and said "that's a neko," and someone asked "what does neko mean?", we couldn't answer that either, right?
102AnonymousSep 19, 2026 09:23
Re: #44
There's probably some theory that it comes from "neruko" (sleeping cat/child) or whatever
59AnonymousSep 19, 2026 09:09
Striking a proper grown-up pose, so cute


69AnonymousSep 19, 2026 09:13
Re: #59
My cat trots along all dainty when people are watching, but stomps around like a boss when it's alone — total "nekokaburi" (playing innocent, lit. "wearing a cat mask")
84AnonymousSep 19, 2026 09:18
Re: #59
If you kept one as a pet, feels like it'd go for your throat in the middle of the night
213AnonymousSep 19, 2026 10:17
Re: #59
When little kittens get spooked they do that sideways scuttle — like the old "Kin-chan run" (a comedian's sideways crab-walk gag) — and hiss
64AnonymousSep 19, 2026 09:12
If breeding ever succeeds, these would sell like crazy

122AnonymousSep 19, 2026 09:33
Re: #64
The fur pattern is total jaguar
136AnonymousSep 19, 2026 09:41
Re: #64
So cute!! 😍
145AnonymousSep 19, 2026 09:45
Re: #64
At first glance I thought the woman on the left was Rambo lol
79AnonymousSep 19, 2026 09:17
Re: #1
> Does it mean anything in the indigenous language?
> "My grandfather just told me, 'that's a Tirukayo'"

Seriously-kayo?! (a pun on "majikayo" — "you're kidding me" — and the cat's name)
Is that really all there is to it?
81AnonymousSep 19, 2026 09:17
Re: #79
Morugessoyo (a Korean meme reaction phrase, roughly "I dunno," popular in Japanese internet culture)
99AnonymousSep 19, 2026 09:22
Re: #79
FYI, apparently "Tirukayo" means "nasty-tasting meat" in the local language
104AnonymousSep 19, 2026 09:23
Re: #79
Actually, it originates from the Japanese phrase "shiru kayo" ("how should I know!")
107AnonymousSep 19, 2026 09:25
Kitties? Just give 'em some Churu (a popular squeezable cat treat) and that'll do the trick instantly
133AnonymousSep 19, 2026 09:40
Re: #107

( °∀°) Feeding's banned on Ishinomaki's Cat Island, but the cats still came around anyway — so cute (using local Tohoku dialect: "megokatta"/"bea")

( °∀°)つ black oolong tea
(/◎\) *glug*
116AnonymousSep 19, 2026 09:30
This cat's probably a new species too
https://gzo.ai/i/xXOZBpK.jpg
132AnonymousSep 19, 2026 09:40
Domestic cats came from humans domesticating wildcats some 10,000 years ago and breeding them into different varieties
Basically a creature born of human ego
Dogs are the same — humans built the breed from wolves
150AnonymousSep 19, 2026 09:47
Re: #132
They're gods that protect crops from pests, you know
157AnonymousSep 19, 2026 09:50
Re: #132
Bastet: "Seriously?! …Tiru-kayo…" (punning her own line with the cat's name, which ends in "-kayo")
167AnonymousSep 19, 2026 09:53
183AnonymousSep 19, 2026 10:00
Calico cats go for like 3 million yen each these days
And they used to just be everywhere
187AnonymousSep 19, 2026 10:03
Re: #183
Regardless of sex?
190AnonymousSep 19, 2026 10:06
Re: #183
Calico cats gotta be the only species where the males are worth more than the females
204AnonymousSep 19, 2026 10:12
This cat's gotta be a new species too

Someone should go investigate

Background and Talking Points

Finding a new mammal species — especially a mid-sized carnivore — is genuinely rare. As posters in the thread note, the vast majority of species newly described each year are insects or plants; discoveries within a well-known group like cats are uncommon. In this case, “Tirukayo” is an animal local indigenous people had long recognized and referred to by their own name — genetic analysis is what first confirmed it belongs to a lineage separate from known species like the ocelot. Worth noting: the thread’s banter about the name’s etymology is just wordplay that spread online; the paper itself makes no definitive claim about the word’s origin. Bolivia’s Andean cloud forests tend to isolate valleys from one another, and terrain like this is thought to be one factor behind the emergence of such a distinct lineage.

*This article is compiled as an excerpt and summary from the 5channel (News Speed+) thread “New Cat Species Discovered for First Time in Over 100 Years.”

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