File talk:PipiBat.jpg
Jump to navigation
Jump to search
Spectogram was initially wrongly identified as pipistrellus calls approaching prey, which is wrong.
In fact it shows one echo location vocalization followed by a social call. Social calls are used to communicate with other bats, they are usually much lower in frequency and consist of a rapid sequence (often 4 to 5 calls). A spectrogram showing a complete sequence during prey approach can be seen here:
.
For comparision: social calls of common pipistrelle can be heard e.g. at seconds 4 and 17 of
Regards, --Burkhard (talk) 20:36, 8 September 2019 (UTC)
