Male hippopotamuses square off at territory
boundaries by turning on their backs and showering each other in urine and feces before
they walk away from each other.
Contrary to popular belief, the
closest relative to the hippo is the whale.
Females are very protective over
their young, and since males are a threat to them, females attack
males that get too close. If a female begins to attack a male,
he lies down to show that he means