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Formally described in 2011 in northern Myanmar's isolated highlands, the snub-nosed monkey Rhinopithecus strykeri has upward-facing nostrils that readily collect rain. When rain enters their exposed nasal passages, it triggers loud, recurrent sneezing, allowing local hunters to track them by following the sounds through the forest.

Indigenous Lisu and Law Waw communities, who call these primates "upturned-face monkeys," report that the animals have developed a notable behavioural response to this vulnerability. During storms, the monkeys typically sit hunched with their faces pressed between their knees until the rain subsides.

The species entered the scientific record already critically endangered, with merely 260–330 individuals confined to a narrow zone along the Myanmar–China border at 8,500–10,000 feet. However, evidence suggests that some populations may extend into adjacent Chinese territory, though this remains unconfirmed.

Ongoing habitat destruction from cross-border logging, combined with persistent hunting pressure, now threatens to drive this primate to extinction. Seasonal migration—ascending to higher forests in summer and retreating in winter—renders the species especially susceptible to encroachment.