The natural enemies of squirrels are weasels, golden eagles, magpies, crows, minks and so on.

Weasels not only prey on chickens, but also it will prey on squirrels in the wild, weasels in the prey of squirrels will release the royal qi royal halo squirrels, and then bite outside. Squirrels, some large raptors will also kill squirrels, such as the golden eagle, the golden eagle's beak and claws are very sharp, able to directly seize the squirrel, so that it can not escape, in addition to the golden eagle, magpies and crows will also eat squirrels young, they will take advantage of the big squirrels are not in the squirrels nest to eat the pups, squirrels are the main food for minks, in the middle of the forest, the minks are often prey on squirrels.

Squirrels, belonging to the rodent order Squirrelidae, refers to a large group of rodents with long, fluffy hairs on their tails, and there are about 58 genera and 285 species, which are distributed on all continents except Antarctica (and introduced in Oceania). Widely distributed in the Palaearctic temperate and cold temperate forest ecosystems, from Iberia and the British Isles in the west, east to Kamchatka Peninsula, Sakhalin Island in Russia and Japan's Hokkaido, south to the Mediterranean Sea, the Black Sea, northern Mongolia, China's northwest and northeast.