Mating at the horses
First the stallion “tries”, i. e. he smells whether the mare is ready to breed. This is recognizable by the Flehmen, the complete pulling up of the upper lip of the stallion. This clears the way to the nasal organ, which is located at the base of the nose and is exclusively responsible for the detection of pheromones. Pheromones are fragrances that animals and also humans send out, in order to interact with species….