THE FLEHMEN RESPONSE

The Flehmen Response

In human courtship, a grimace is not generally something one wants to see from a potential love interest. Not so with animals. Cats, horses, llamas, and giraffes are just some of the animals that exhibit the flehmen response, a grimace-like curling of the upper lip and extension of the neck that facilitates the detection of scents—and pheromones—through the vomeronasal organ located in the roof of the mouth. Where does the name “flehmen” come from? More… Discuss

 

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