Scientists think there are a number of reasons why young animals leave home. By doing so, they avoid competing with their relatives for resources.
Learn about the many advantages of butterfly wings on this Moment of Science.
In the animal kingdom, much like in the world of humans, there are many techniques that animals will use in order to attract mates. Parrots, for example, have glowing heads.
What’s ironic, though, is that the females are attracted to a pheromone produced by these loser males. If the pheromone is applied to a winner male, he will instantly become a loser–meaning he will be chased by males and females alike, only the females won’t want to pummel him.
In the case of the African stalk-eyed fly, where the males are like hammer head sharks with their eyes extended on long stalks, sometimes measuring one and half times the length of their bodies, long stalks are an indicator of better genes.
The female wood mouse has multiple mates, so the sperm of this wood mouse may be competing with sperm from other males.
Ever wonder why moths fly toward bright lights? Find out on today's Moment of Science.