Animals also choose their mates, sometimes with a great deal of care. Mating systems are important to understand because they reflect the result of natural selection on mate choice, and ultimately ...

All animals need to make copies of themselves ... new copy if they mix together males and females. That's what we call mating. Females get pregnant after mating. And if they're insects, or ...

"Mating season is always around Valentine's Day, easy to remember," Emmert said. "Skunks have a stronger sense to be active ...