To listen to type B social calls, you can visit the files of the following lists on Xeno Canto:

- Type B (roosting) social calls of the Common Pipistrelle
- Type B (roosting) social calls of multiple species of bats
- Type B (in flight) social calls of multiple species of bats

Roosting sounds

Common pipistrelle:

Nathusius' pipistrelle:

Serotine bat:

Common noctule:

Pond bat:

Brown long-eared bat:

Agonistic call

Common pipistrelle:  (in flight, after feeding buzz - Nathusius' pipistrelle also present)

Serotine bat:   (in flight - Nathusius' pipistrelle also present)

Daubenton's bat: (while flying away, was perched before)

Pond bat: (in flight)

All recordings are licensed under the following Creative Commons Attribution-NonCommercial-NoDerivs 4.0 license and in courtesy of Sarah Mahie. 
All sonograms are screenshots of the recordings imported in the ultrasound analysis software BatExplorer 2.2 (Elekon, Switzerland).