This is the sound that Algy heard as he perched on the mossy log which had fallen across the wee burn in the woods.
https://www.tumblr.com/audio_file/adventuresofalgy/99713383016/tumblr_nd8ttsaRvY1rruorh?plead=please-dont-download-this-or-our-lawyers-wont-let-us-host-audio
The Adventures of Algy 