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For years, people assumed sharks were the silent type, but that’s not true, and they aren’t alone when it comes to creatures like sharks that make noises. Some of the world’s strangest creatures make ...

We don't know exactly when the first animals on Earth appeared, but it's thought to be around 700 million years ago. Around ...

Geladas, close cousins of baboons, will show off their passion-flushed pectorals, and lizards will do push-ups for their chance to “score.” But sometimes finding a mate is not as simple as getting in ...