Pallas's Grasshopper Warbler Helopsaltes certhiola
Estimated average number of individuals by week based on eBird data, Jul 2014 to Jun 2024
Peak week Dec 24-Dec 30
Early date 01 Sep 2007
Late date 29 May 1982
A fairly common inhabitant of dense reedbeds, but more often heard than seen. Most frequently observed from Oct to Apr.