There is an animal that changes color like a weather tree. What's its name?

Chamaeleonidae (English: chameleon), commonly known as chameleon, is a reptile of Chamaeleonidae, a suborder of lizards. It is mainly arboreal and lives in the Old World. Every 2 ~ 3 toes are combined into two groups of opposite toes and end teeth, and the tongue is slender and extensible, which is characterized by body color change.

It is good at changing the color of the body at any time with the change of the environment. Discoloration is not only good for hiding oneself, but also good for catching prey. The physiological change of color change is that the pigment cells in the skin expand or contract under the control of the autonomic nervous system. Another view is that the chameleon does not change color by pigment cells, but changes the refraction of light by adjusting the nanocrystals on the skin surface.

Extended data:

According to an article in National Geographic magazine, according to the latest findings of animal experts, chameleons change their body color not only for camouflage, but also for information transmission between chameleons, which is equivalent to human language, thus expressing the chameleon's intention.

Laxworth found that the information transmission and expression between chameleons was accomplished by changing their body colors. They often show different colors when defending their own territory and rejecting courtiers. He said, "In order to show his dominance over the territory, the male chameleon showed bright colors in response to similar demonstrations that violated the territory; When a female chameleon meets a suitor she doesn't like, she will refuse, and then her body color will darken and flashing red spots will appear. In addition, when the chameleon intends to provoke a dispute and launch an attack, the body color will become very dark. "

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