Linguists like to say every language can express anything — and then they meet a language that's whistled, drummed, or down to its last living speaker. Eleven languages bending the rules of what talking even is.

On La Gomera in the Canary Islands, people hold entire conversations by whistling — across canyons, over distances of two miles or more.

Silbo Gomero converts Spanish into whistled pitches and slides that carry far beyond shouting range in the island's ravines. It nearly died out, so the local government made it a mandatory school subject in 1999, and UNESCO recognized it in 2009.

Pirahã, spoken in the Brazilian Amazon, may have no words for exact numbers at all.

Linguist Daniel Everett reported that Pirahã lacks precise number words and even recursion, a feature many linguists considered universal — and experiments have supported the number claim, with terms meaning roughly 'few' and 'more' rather than one, two, three. The recursion claim ignited one of modern linguistics' fiercest and still-unresolved fights.

Taa, spoken in Botswana and Namibia, has one of the largest sound inventories on Earth — including dozens of distinct clicks.

By some analyses the language, also known as !Xóõ, has more than 80 click consonants alone. Neighboring Bantu languages like Zulu and Xhosa borrowed clicks from Khoisan languages, which is why Xhosa's own name starts with one.

In the 1980s, linguists watched a brand-new language be born — invented by deaf children in Nicaragua.

When deaf students were brought together in Managua's new schools, they had no shared language, so they built one, with younger cohorts adding richer grammar than their elders used. Nicaraguan Sign Language became a landmark case of language emerging from nothing.

On Martha's Vineyard, deafness was once so common that nearly everyone — hearing included — spoke sign language.

Hereditary deafness concentrated in towns like Chilmark from the 17th century onward, and Martha's Vineyard Sign Language became ordinary community equipment, used between hearing neighbors too. It later fed into what became American Sign Language.

Guugu Yimithirr, from north Queensland, has no words for left and right — everything is north, south, east, or west.

Speakers say things like 'the cup is to your northeast,' which requires — and produces — a constant, compass-like sense of orientation. English got something from the language too: the word kangaroo.

In Archi, a language of Dagestan, a single verb can theoretically take about 1.5 million forms.

Linguists at the Surrey Morphology Group calculated 1,502,839 possible forms per verb once you multiply out its tenses, moods, and agreements. Roughly a thousand people speak it, in one village, without apparent difficulty.

Ubykh had 84 consonants and, by the standard count, just two vowels — and it died on a specific day.

The language of the Ubykh people of the Caucasus survived exile to Turkey until its last fully fluent speaker, Tevfik Esenç, died in October 1992. Linguists had raced for decades to record him, so the language is dead but unusually well documented.

Rotokas, spoken on Bougainville, gets by with roughly 11 distinct sounds — one of the smallest inventories ever recorded.

Its alphabet needs just 12 letters, making it a favorite counterexample to Taa's 100-plus-sound maximalism. Both are fully expressive human languages; they just made wildly different bets.

West African talking drums don't symbolize speech — they imitate it, tone for tone.

Because languages like Yoruba are tonal, a skilled dùndún drummer can squeeze the drum to bend its pitch and reproduce the melody of actual sentences, sending proverbs and announcements across distances. Listeners aren't decoding a cipher; they're hearing speech.

Basque is related to no other living language on Earth.

Spoken in the Pyrenees between Spain and France, it's a language isolate — most linguists think it descends from a tongue spoken in the region before Indo-European languages arrived. Every neighbor it ever had was eventually surrounded; Basque just kept talking.

Deepest respect to Archi, a language whose answer to 'keep it simple' was 1.5 million forms of a single verb.