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Stallion pulling its top lip up and expose its teeth.
Stallion pulling its top lip up and expose its teeth. The Flehmen response is a biological response to smell. The curling back of the upper lip (and often pulling their head back at the same time) helps activate an organ that allows horses to sense chemicals in the air, particularly pheromones.
Image dimensions: 4256 x 2832 pixels
Stallion pullin...
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Stallion pulling its top lip up and expose its teeth.
Stallion pulling its top lip up and expose its teeth. The Flehmen response is a biological response to smell. The curling back of the upper lip (and often pulling their head back at the same time) helps activate an organ that allows horses to sense chemicals in the air, particularly pheromones.
Image dimensions: 4256 x 2832 pixels
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