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 ...

There are some strange mating rituals in the wild. Birds court through dance and song, and some males fight for females’ attention, but what about the head bobbing of crested iguanas? Although the ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. These three bird courtship displays are so bold, precise ...