try to hear this Pallas's leaf warbler
1 hour sound of Pallas's leaf warbler Pallas's leaf warbler or Pallas's warbler (Phylloscopus proregulus) is a bird that breeds in mountain forests from southern Siberia east to northern Mongolia and northeast China. It is named for German zoologist Peter Simon Pallas, who first formally described it. This leaf warbler is strongly migratory, wintering mainly in south China and adjacent areas of southeast Asia, although in recent decades increasing numbers have been found in Europe in autumn.
1 hour sound of Pallas's leaf warbler Pallas's leaf warbler or Pallas's warbler (Phylloscopus proregulus) is a bird that breeds in mountain forests from southern Siberia east to northern Mongolia and northeast China. It is named for German zoologist Peter Simon Pallas, who first formally described it. This leaf warbler is strongly migratory, wintering mainly in south China and adjacent areas of southeast Asia, although in recent decades increasing numbers have been found in Europe in autumn.