Dogs

We all know that dogs drink water by licking it with their tongues, but do you know what dogs do? How do you complete the action of drinking water? How do their tongues transport water to their mouths? Recently, researchers used high-speed cameras to film the behavior of dogs drinking water, and finally deciphered how dogs drink water.
When high-speed cameras filmed animals drinking water at close range, researchers initially thought the dog's tongue would bend backwards, like a reverse ladle, using its tongue as a pulley to dip and scoop water. However, when scientists took a closer look, the spoon function was nothing more than an illusion. Most of the water did not actually enter the dog's mouth, but slipped into the bowl.
Researchers found that a dog's tongue is not a ladle structure, but acts as a sticky whip that sticks water to the tongue and rolls it into the mouth.
Because the time when the dog's tongue bends backwards greatly reduces the area of ​​contact with the water, and when the tongue is retracted quickly, a water column will be drawn from the water surface and penetrate the dog's tongue, and then the water column will be drawn up from the water surface. Close your mouth and you can drink water. And all this happened in a very short period of time, so ordinary people did not easily discover it.

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