azer bülbül Sound Effect Shared by Krabby Caption ThisMix AudioTrim AudioDownload AudioDownload VideoFiled UnderOther, Sounds, 1 4 0 0 This is a recording of an Azer bülbül, which is a type of nightingale native to the Caucasus region. It’s got that classic melodic, warbling birdsong that people use for nature soundscapes or ambient background tracks. Embed