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
The Eurasian Nuthatch ( Sitta europaea ), known as "popolzen" (поползень) in Russian, is a vocal bird with a diverse repertoire of loud, ringing calls. A short, sharp "twit" or "cit" often repeated
Sometimes produces "meowing" calls ("miu-miu") or thin, high-pitched whistles similar to titmice. Where to Listen and Download known as "popolzen" (поползень) in Russian