On February 14, 2008, Estonian Post issued a single stamp set features the wildlife series. The species depicted is Plecotus auritus (Brown long-eared bat). The issue only one stamp and 2 (two) first day covers which have image of this species.
Bats are the only mammals actually able to fly using their wings that connect the digits, the body, the hind limbs and the tail. Twelve species of bats have been registered in Estonia.
