|Thayer's Gulls Larus
Feb. 28th 2009 Choshi Chiba Japan
At least 8 Thayer's Gulls were found on the day. Usually 5-10 birds can be found in one day this winter. They seem to be increasing in recent years.
The molt is advanced for 2nd winter. Some wing coverts and P1-P2 are new.
A very fresh individual for this time of year, mostly juvenile plumage.
A relatively breached bird.