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

A male anasaitis ... Hutchinson continued: “The jumping spider family is the largest spider family in the world, so narrowing it down beyond that took much longer. A female (Image: Tylan Berry ...

Sparklemuffin peacock spiders are members of the jumping spider group Salticidae ... They're also a test of the male's coordination and stamina. If the female is impressed, she'll mate with ...