Recorded sound - Bulgaria (1 Viewer)

[Nikolai Kolev]

Any thoughts what make this sound? Made this record with Merlin, and the app didn`t tell anything. Record made today in Southern Bulgaria, near Madzharovo, a rocky place famous with voltures, and other rock species.
View attachment 2025-03-27_sound.mp3

 

[lou salomon]

chaffinch and jay.