Bats are the only mammals that can truely fly and in the UK they make up almost one quarter of our mammal species.
Did you know?
There are 18 species of bats resident in the UK with 17 species known to breed here.
The smallest bats in the UK are the Common pipistrelle (Pipistrellus pipistrellus) and Soprano pipistrelle (Pipistrellus pygmaeus) both weighing between 3-8g with a head and body length of 35-45mm.
The smallest bat in the world is also the smallest mammal in the world. The Bumblebee bat or Kitti’s Hog-nosed bat (Craseonycteris thonglongyai) found in western Thailand and south-east Myanmar weighs less than 2g only and is only 29-22mm in head and body length.
The largest bat species in the UK is the Noctule (Nyctalus noctula) weighing between 18-40g with a head and body length of 37-48mm.
With a wingspan of more than 1.5-1.8m the fruit eating Giant golden-crowned flying fox (Acerodon jubatus), found in Philippines is one of largest bats in the world.