Flehmen response
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The flehmen response, 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,
Flehmen response in a horse
Flehmen response in a Sumatran tiger
Flehmen response in a tapir
Flehmen response in an elk
Stallion
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A stallion is an adult male horse that has not been gelded. Stallions follow the conformation and phenotype of their breed, but within that standard, the presence of hormones such as testosterone may
Flehmen response
…and non-predatory species. The response is perhaps most easily observed in domestic cats and horses; both exhibit a strong flehmen response to odors. Stallions usually smell the urine of mares in estrus whereas the male giraffe's flehmen response includes tasting the female's urine. Elephants perform a flehmen…
Stallion in Puerto Rico
A stallion
A stallion's secondary characteristics include heavier muscling than is seen in mares or geldings, often with muscular development along the crest of the neck.
Stallion exhibiting the flehmen response