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The great tit (Parus major) is a passerine bird in the tit family Paridae. It is a widespread and common species throughout Europe, the Middle East, Central and Northern Asia, and parts of North Africa.

Scientists filmed a great tit opening a white paper packet stamped with a black square. Inside were bits of almond soaked with a bitter fluid. As seen in the video below by Science Magazine, the bird pecked at the almond and almost instantly dropped the nut, shook its head, and wiped its beak repeatedly on its perch—a tit’s way of saying “yuck!”

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