How does flying squirrel find food in a biome?

Flying squirrels feed on most types of vegetation. In addition to nuts and seed, they eat buds, shoots, soft fruit, lichens, and fungi. They also eat insects, spiders, and birds' eggs and nestlings. Flying squirrels have large eyes that allow them to see clearly in the dark. Their keen eyesight, their acute hearing, and their long, sensitive whiskers, enable them to locate food. Most of their food is eaten immediately, but nuts and seeds are often hoarded to be eaten later during the cold winter moths. They squirrels' instinct to store food becomes stronger as fall approaches.How does flying squirrel find food in a biome?
Very carefully.