Males engage in a two-week-long sex marathon with as many females as they can find. Each frenzied encounter can last up to 14 ...

The animal world is full of fascinating (and, let’s face it, bizarre) mating rituals. You will be shocked at the lengths various species will go to procreate. We will explore some seriously odd ...

Source: Sofya Dolotovskaya, used with permission. Many birds and mammals are socially monogamous—males and females pair up, live together, and often raise their young together. However, once methods ...

When related animals produce offspring, the young can be affected by physical abnormalities and health problems. We explain why.

Think forever love is just a human thing? Not even close. While most wild animals take the quantity-over-quality approach when it comes to mating, a rare and fascinating few choose one partner and ...