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 ...

Courting is as unique to a species as dietary habits or dwelling. Some mating rituals seem almost aggressive, while others are dance-like and graceful. They can even be beautifully intimate, mimicking ...

Dim the lights, put on some slow jams... get up in the tree? National Geographic's Crittercam technology just revealed a mating ritual never before seen in any bear species. An Andean bear named Ruru ...