behavior

Talk about a high-altitude buzz. Bumblebees may be capable of scaling Earth’s tallest peaks, flying higher than Mount Everest, according to new research. It’s difficult for most insects and birds to fly at extremely high altitudes where the air is thin and oxygen is scarce. Flapping wings push against the air to generate lift, and…

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Although we can’t always perceive them, vibrations provide a critical way of communicating for many animal species. Scientists think vibrational communication is an ancient sensory mode—one that is still widely used throughout the animal kingdom. Animals from tiny insects to jumbo-size elephants talk to each other using vibrations for many different purposes, from mating and…

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  Genitals are useful for transferring sperm, but why stop there? Some animals have evolved unusual and creative ways to use their naughty bits to trick predators or attract mates. Recently, scientists discovered that hawkmoths have an unusual defense against bat sonar—by rubbing their genitals together, the moths produce ultrasonic sounds of their own. These…

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