Natterer's bats have pinkish limbs, giving rise to its old name of 'red-armed bat'.

Life span
Maximum of 20 years.

Statistics
Body length: 4-5cm, Wingspan: 25-30cm, Weight: 6-12g.

Physical description
Natterer's bats have pink/light brown faces and ears, and brown wing membranes. Their fur is light brown above and buff below.

Distribution
They range across most of Europe, except for Scandinavia. In the UK, they are only absent from some offshore islands.

Habitat
Natterer's bats are found in wooded areas, parks and along riversides.

Diet
They emerge from their roosts at dusk to hunt small flies from foliage and branches. They also take prey in flight, usually above water.

Behaviour
In the summer, they roost in tree holes, bat boxes, buildings and under bridges. In the winter, they roost in tunnels, caves and cellars. They hibernate from October to April.

Reproduction
Natterer's bats inhabit nurseries from April to May, and births take place from mid-June to July.

Conservation status
Natterer's bats are not listed by the IUCN.