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

- Type C social calls of the Common Noctule
- Type D social calls of the Common Noctule

These social calls of the common noctule, the first of 2025, were recorded in a forrest:

Date of recording: 2025-05-12          Recorded by: Sarah Mahie          Audio file: 997499, 997503 (Batlogger M), 997505, 997506 (Echo Meter Touch 2)

Date of recording: 2025-06-19          Recorded by: Douwe van der Wijk          Audio file: 1007687 

Recorded in a forrest. The bats were seen flying above a small open patch between the trees and emitted type C socials calls only:

Date of recording: 2025-06-24          Recorded by: Sarah Mahie, Boaz van Die          1009258, 1009261, 1009263, 1009268, 1009269, 1009271 (Batlogger), 1009277, 1009280, 1009281, 1009391, 1009395, 1009396, 1009397, (Echo Meter)

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). 

Bibliography:

- Jon Russ (2021). Bat Calls of Britain and Europe: a Guide to Species Identification. Pelagic Publishing. 

- Neil Middleton, Andrew Froud and Keith French (2022). Social Calls of the Bats of Britain and Ireland (second edition). Pelagic Publishing.