Recorded in rural South Wales, UK, last September, nobody I’ve played it to can tell what it is (and Merlin didn’t know either)
https://drive.google.com/file/d/1TwEW5eprcyu8PtiOfxdwc_8hdDLn25wV/view?usp=drivesdk
(Apologies for the Drive link but I couldn’t find an easy way to share audio files on here directly)
Yes, this was recorded with Merlin, and as I said in the post it couldn’t identify what it was