Flying squirrels in North America can eat many foods, such as nuts such as peanuts, melon seeds, walnuts and pine nuts, fresh leaves such as cypress, pine, elm, jujube and apricot, and miscellaneous grains, insects, vegetables and fruits can also be fed in moderation.

In addition, the owner can wash some clean vegetable leaves, and flying squirrels in North America can also eat them. Some foods that are easy to get angry, such as melon seeds and peanuts, should be fed as little as possible, and miscellaneous grains such as corn and millet can be fed as staple food.

When feeding flying squirrels, you can feed them twice a day or three times a day, but try to feed them less in the morning and more at night, and pay attention to regular and quantitative feeding every day to avoid gastrointestinal discomfort of flying squirrels.

The main food of pet mice is plant seeds, and they like nuts best, but they also eat tender stems or leaves of some plants and occasionally eat insects.

Most pet mice don't hibernate. In winter, pet mice live by storing food. A few species of pet mice will enter a quasi-hibernation state that is not very active in cold weather.

Pet rats are mainly active at night and have poor eyesight. They can only vaguely distinguish shapes and colors from black and white. Coat color is jumbled. Breeding after the end of spring, 2~3 fetuses per year, 5- 12 per fetus. The average life span is 2-3 years.

Some kinds of pet mice have become popular pets in recent years because they are close to people, such as golden hamster, Gakaria hamster, Campbell hamster, Rove hamster and so on.