Have you ever seen a Burro smile at you? When burros and horses curl their upper lip it may look like a smile but it’s actually something called the Flehmen Response. Burros do this when they smell something particularly interesting and want to learn more about it. By curling their upper lip, elongating their neck, and closing their nostrils, the animals can send a scent straight to a special organ called the vomeronasal organ or VNO. This organ is located above the roof of their mouth and can process complex scents and pheromones. Many animals have a VNO from snakes and mice to bears and elephants. Animals mainly use the Flehmen Response to better understand other animals of the same species by recognizing the pheromones that each animal produces. So, the next time you see a Burro smiling at you, they may actually be trying to get to know you better. .
🐴The Burro Scholar @abbieofharlow
📽 by @strayngerranger
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