Pipistrelle bats  (Pipistrellus pipistrellus and Pipistrellus pygmaeus)

Young pipistrelle bat suckling from mother

© Tony Tilford / www.osfimages.com

Young pipistrelle bats in maternity roost

© Hugh Clark / www.flpa-images.co.uk

Pipistrelle bat

© Tony Tilford / www.osfimages.com

Pipistrelle bat

© Duncan McEwan / naturepl.com

Pipistrelle bats

© Duncan McEwan / naturepl.com

Pipistrelle bat close-up

© Duncan McEwan / naturepl.com

Pipistrelle bat

© Douglas Kalifa

Rear view of a pipistrelle bat

© Douglas Kalifa

Pipistrelle bat emerging from roost in tree trunk

© Mike Read / naturepl.com

Pipistrelle bat on brick wall

© Geoff Trinder / www.ardea.com

Pipistrelle bat roosting in church roof

© Steve Packham / naturepl.com

Pipistrelle bat on researcher's finger - showing size

© Douglas Kalifa

Pipistrelle bat being held by researcher

© Douglas Kalifa

Pipistrelle bat in flight

© Kim Taylor / The Bruce Coleman Collection

Pipistrelle bat in flight

© Yves Bilat / www.ardea.com