Invisible or visible?
Crab spiders lie in wait for prey on flowers. They are adept at catching bees. It was once thought this was because they were camouflaged, but they show up well in ultraviolet light, which insects can see and is revealed through an ultra-violet sensitive camera. What's the real answer?
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大象传媒 Nature
Be captivated, informed and inspired by the world's wildlife.
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David Attenborough's favourites
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