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The Drinking Bird, also known as the Dipping Bird, is a physics toy that works by using temperature differences to create pressure changes, which then cause the bird to move. I initially dipped the head of the bird into water. Then the process goes like this. 1. The water on the head evaporates, cooling it down. 2. The cooler head causes a drop in pressure in the head. 3. The warmer base, with higher pressure, pushes liquid up the bird's neck. 4. As the liquid rises, the bird becomes top-heavy a