Bumblebees lick their lips after tasty treats, scientists discover in slow-motion study

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Bees respond to tasty treats or plain water based on context, study that may provide support for establishing insect sentience shows

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When bumblebees taste something good, they reach out their glossa – or insect tongue – for a while afterwards, almost as if they are licking their lips. And when they don’t like something, the insects will shake their heads and wipe their mouths.

Scientists who captured the miniature facial expressions on slow-motion video say the behaviour is consistent with “liking” and “disliking” responses observed in mammals. Their results have been published in the journal Proceedings of the National Academy of Sciences.

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