Animal horns are an awe-inspiring part of their anatomy and, for many species, they serve as their crowning glory. Take the Ankole-Watusi from Uganda, for example, whose massive horns are truly a ...

Rivals ram one another with their horns (or abdomens) and during the fight often unleash the amazing hisses that give the animal its name. Winning roaches hiss more than losers, so the sounds may ...