Bumblebees appear to 'lick their lips' after sweet treats and shake their heads at bad tastes

Slow-motion videos have revealed that bumblebees display distinct behaviours after tasting sweet or unpleasant food — appearing to "lick their lips" after sweet snacks and shaking their heads at bad tastes. The finding hints at emotion-like inner states in insects. Researchers believe the results could open a new avenue for studying insect consciousness and inner lives.