For some animals, reproduction comes at the ultimate cost—their own lives. While this may seem extreme, it's a natural strategy to maximize reproductive success. These species invest everything into ...

If there’s one universal need in the animal kingdom, it’s the burning desire to reproduce. But most species need a bit of extra magic to get the job done. “It’s not all roses and chocolates,” says ...

The motivation behind everything that animals do is to stay alive, at least until they have produced offspring. Any species ...