The marmot is a mammal belonging to the family Muridae in the order Rodentia of the class Mammalia; Also known as groundhog. The largest terrestrial and burrowing herbivorous and hibernating wild animal in the squirrel family. There are 14 subspecies worldwide, with 4 species in China. Distributed in Siberia and Mongolia of Russia, and also in Inner Mongolia of China. Resting in plateaus, meadows, foothills, and other areas, the lower edge of sunny slopes in plains and mountains is its high-density aggregation zone. Active during the day, with a large appetite, gnawing on a large amount of grass every day, enduring hunger and satiety, and preferring juicy feed with high water content, post rain grass, and dew grass. Likes to live in groups, easy to drive, does not harm people, is not heat-resistant, afraid of direct sunlight, and has strong disease resistance.

Squirrels are mammals belonging to the family Squirrels in the order Rodentia. Squirrels have a slender body shape and longer hind limbs; There are no skin wings between the front and back limbs, and the limbs are strong and robust; The eyes are large and bright, the ears are long, and there is a bundle of hair on the tips of the ears, especially prominent in winter. Because it looks like a mouse and most of them like to gnaw on nuts such as pine cones, they are accustomed to living on trees, especially pine trees, hence the name. Widely distributed in Asia, North and South America, and Europe. Squirrels have diverse habitats. Active during the day, frequent in the early morning, with developed vision and hearing, no hibernation, and a habit of storing food. It is an omnivorous animal that eats a variety of plants and small insects.