2022Estonian Fauna - The Siberian Flying Squirrel - First Day Cover

This stamp from the stamp series ‘Estonian fauna’ depicts the Siberian flying squirrel (Pteromys volans L.), a rare species, the European habitats of which are limited to Finland, Estonia, Belarus, and Russia. The flying squirrel has a flap of skin on both sides of its body, with which it can glide up to several dozen metres from tree to tree. This elusive animal, mainly active at dusk and night, is rarely seen. In summer, it feeds on tree leaves, and in winter, on the buds and catkins of birches, alders, and aspens.