Answer (the zodiac sign of a broken wood or a fallen mountain) What is the animal?

The answer is: "Sheep - mainly refers to goats" (Weiyang); among the twelve zodiac animals, only "sheep (goat)" meets the condition of the riddle "wood breaks down and mountains decay", because goats are ingesting When eating, they like to eat the bark of trees (especially the bark, twigs, and leaves of saplings), causing the saplings to die in pieces or even die. Goats grazing in groups are extremely destructive to the mountain forests. Often all the saplings in the mountain forests will die in a few years. Places where goats are grazed in groups for a long time are basically "wood damaged and the mountains are decayed". Therefore, in many places, in order to nourish the mountain forests, it is necessary to Grazing of goats is prohibited. So the answer is: Sheep (not sheep).