Flehmen
Introduction Flehmen is a behavioral pattern that has been observed in almost all species of ungulates and in some felids. An individual flehmens when it detects an interesting smell — urine, faeces, a female’s vulva or even a chemical substance such as ether or valerian (Schneider, 1930). McHugh (1958) for example reports that wild female bison, Bison bison, have flehmened while nosing a rotten skeleton, human urine, a newborn calf and the torn scrotum of a bull. Usually flehmen occurs