Recordings from 2020 to 2026

These type C social calls in the first row of snippits were recorded while soprano pipistrelles were leaving their maternity roost in Zuid-Holland. The type D social calls, their typical 3-component variants, in the second row of snippits were recorded on forest paths nearby the roost.

Date of recording: 2020-05          Recorded by: Zoogdierenwerkgroep Zuid-Holland          Audio file: Download here

The following example is an advertising male, emitting type D social calls while in flight. Fourteen social calls are present in the recording.

Date of recording: 2024-09-20          Recorded by: Sjoerdtje de Boer          Audio file: 1008590 

A year later at the same location as the previous recording, an advertising male was recorded again. This time a few 4-component variants of the social call were pesent as well along side their ususal 3-component variants. A social call that was partially joined-up was also recorded.

Date of recording: 2025-08-31          Recorded by: Sarah Mahie, Boaz van Die          Audio file: 1034292, 1034293, 1034294, 1034296 (Batlogger), 1034301, 1034302 (Echo Meter)

Type D social calls recorded near a lake, including 2-, 3- and 4-component versions and some with components joined to form a trill-like sound. These social calls of the soprano pipistrelle can be differentiated from the common pipistrelle by their higher end frequency, which is around 20 kHz.

Date of recording: 2026-05-21          Recorded by: Sarah Mahie          Audio file: 1136426, 1136475, 1136476, 1136477

Even though these are not recorded in the Netherlands, but in Germany, I wanted to show the type A and B social calls that the soprano pipistrelle can produce:

Date of recordings: 2025-08-20, 2025-08-21          Recorded by: Christian Kahle (Germany)          Audio files: 1031660, 1031661, 1031662