Big Horn sheep sniffing the air for ewes in estrus during the rut. The flehmen response is a behavior in which an animal curls back its upper lip exposing its front teeth, thereby inhaling with the nostrils. Usually exhibited during the rut.
Big Horn sheep sniffing the air for ewes in estrus during the rut. The flehmen response is a behavior in which an animal curls back its upper lip exposing its front teeth, thereby inhaling with the nostrils. Usually exhibited during the rut.