Petaurista is a genus of large flying squirrels found primarily in Asia. These nocturnal mammals are known for their ability to glide through the air, using a membrane called the patagium that stretches from their wrists to their ankles. They typically inhabit forests and are adept at climbing trees, where they find food such as fruits, nuts, and leaves. There are several species within the Petaurista genus, including the Indian giant flying squirrel and the Chinese giant flying squirrel. These animals play a vital role in their ecosystems by aiding in seed dispersal and maintaining forest health. Their unique adaptations make them fascinating subjects of study in wildlife biology.