Judging the situation refers to snakes. Snakes are the general name of reptiles with degenerated limbs, belonging to the order Serpentiformes of Reptilia. Like all reptiles, snakes are covered with scales.
All snakes are carnivorous animals. The body is slender, limbs degenerate, no movable eyelids, no ear holes, no limbs, no forelimb belt, and the body surface is covered with scales.
Snakes are temperature changing animals, whose body temperature is lower than that of humans, also known as cold-blooded animals. When the ambient temperature is lower than 15 ℃, snakes will enter hibernation. Some are toxic, but most are non-toxic. In addition, there is snake in the zodiac.