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

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

Evolutionary biologist Nathan H. Lents details how animal relationships can offer perspective on sexual diversity, social ...

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 ...

For any animal, releasing sperm cells requires a bit ... For a tiny fish called the medaka (Oryzias latipes), males have a mating capacity of 19 times per day. The findings are detailed in a ...

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 ...

Scientists, stumped by that question throughout the animal kingdom, hypothesized that something more than chemistry drives mate choice. Looks are certainly important for the peacock, with his ...

Working out the kinks of mating in the animal kingdom helps to gain insights into the survival of species. Among animals that have multiple partners who deposit eggs outside their body ...