A short, sharp "twit" or "cit" often repeated in quick series of 2–4 notes.
Sharp, metallic "tsit" sounds or trilling "sirrr" when agitated. zvuki ptits popolzen skachat
Loud, melodic whistles like "tui-tui-tui" or "vee-vee-vee". A short, sharp "twit" or "cit" often repeated