Flehmen response

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Science and technology

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What Wikipedia says

The flehmen response (; from German flehmen 'to bare the upper teeth', and Upper Saxon German flemmen 'to look spiteful'), also called the flehmen position, flehmen reaction, flehmen grimace, flehming, or flehmening, is a behavior in which an animal curls back its upper lip exposing its front teeth, inhales with the nostrils usually closed, and then often holds this position for several seconds.

Excerpt from the Wikipedia article “Flehmen response”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Brandinian, Public domain, via Wikimedia Commons.