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 ...

In a chilling and rare display of reptilian behaviour, a female green anaconda was recently photographed strangling her mate to death during mating which is an act of cannibalism rarely witnessed in ...

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 ...

Researchers have identified how the architecture of brain circuits helps different species flexibly adapt to new mating signals across evolutionary timeframes. Male fruit flies have several tricks for ...