After a four-year hiatus, conservationists in New Zealand are relieved that the flightless kākāpo is once again breeding.

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

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 hours. As soon as he’s done with one female, he moves on to another, ...

Swipe left on the ordinary—nature’s version of dating puts our modern love lives to shame. From deceptive dances to downright bizarre bedroom strategies, animals have evolved mating rituals that are ...

Elk are the second largest animals in the deer family. Fully grown male elk, or bulls, average about five feet tall at the shoulders and can weigh as much as 1,100 pounds. Their antlers can reach five ...

Many animals engage in elaborate mating rituals. For flight-ready birds, these often involve complex dance moves and peacock-like displays of grandeur. For their land-bound cousins, like the Adélie ...

These three bird courtship displays are so bold, precise and theatrical that they make human romance look a little ...

In the predawn darkness on a lek, the first thing you will hear is a strange and eerie noise. If you've never heard a prairie chicken or sharp-tail grouse booming in the grasslands, you will soon have ...

Whatever happened to the duck-billed dinosaur, it was a real pain in the butt. Many of the spines sitting atop the animal’s tail vertebrae had been fractured. The dinosaur, known as Olorotitan to ...