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Stag beetles have their sumo matches. Female fireflies who murder their mates. These are some of our favorite mating ...

Here are a few ways females have the final say in reproduction. In the most straightforward type of mate choice, "pre-copulatory traits" show off one's genetic offering. The male bower bird seeks ...

在自然界中，雄性为了繁衍后代，不仅需要与其他雄性竞争交配机会，甚至在成功交配后，精子也必须与其他雄性的精子在雌性的生殖道内展开激烈的竞争。精子竞争（sperm ...

Researchers have witnessed behavior in the wild which could reveal critical clues about how the endangered whale shark reproduces.

Additionally, females possess “finger-like projections” near their copulatory opening, which are “unique to this new species,” scientists said. The study authors were Raveendran Sudha ...

A female whale shark being chased by a larger male (Christine Barry Research/YouTube) Scientists in Australia have witnessed whale shark mating behaviour at Ningaloo Reef, in what is believed to be ...

A massive species of endangered shark might be kinkier than we first thought, scientists have found. In rare video footage, a male whale shark has been spotted biting at his female partner during ...