More than 3,300 exist in the wild in the Western Himalaya ... and its habitat is fragmented. Witnessing a mating call is one thing—an actual mating, quite another. It’s sometimes glimpsed ...

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

But why does she think he is good looking? Scientists, stumped by that question throughout the animal ... the wild than offspring of birds with fewer eyespots. This way of choosing a mate is ...