large white-headed gulls in Japan/Korea/Taiwan
some collected links on large gulls in East-Asia (for my benefit...maybe for yours as well)
extensive (to understate it) website full of good stuff: http://www.gull-research.org/
some featured chapters are a bit hidden
like a Vega chapter
http://www.gull-research.org/vega/1cysept.html
all species, full size photos
http://mituyubi.com/menu/menu.html
article on separation of three herring gull-type gulls
https://www.shanghaibirding.com/gulls-moores/
http://strix.main.jp/?page_id=48&tagname=xheuglins_gull_taimyrensis&paged=8
a huge stream of gulls (and other jp birds) in all sorts of poses
a blog (discontinued)
http://larusology.blogspot.com/
