Thayer's
Gull Larus
thayeri
December
16th 2004 Choshi Chiba Japan
This Japan's best-known Thayer's
Gull is still alive, although this is the 18th winter for it!
Another Thayer's Gull found on
the same day. This was found for the first time on December 23th 2002.
Note the bill size.
