ScienceDaily: Why Female Deer Like A Stag To Be A Big Noise In The Forest

 

According to the findings, ovulating red deer hinds (females) show an active preference for male roars advertising larger males. This study provides the first experimental evidence from non-human mammals that females use an acoustic cue to body size when selecting a mate, and suggests that female mating preferences may have provided an important selection pressure for broadcasting size-related information in red deer and other mammals.

Source: ScienceDaily: Why Female Deer Like A Stag To Be A Big Noise In The Forest