In polygyny, one male mates with multiple females during a breeding season. This is the mating system of some primates, lions, and deer ...

Two different groups of macaques have been spotted in Japan mounting sika deer. The behavior could be part of a shared ...

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 ...