I have adopted the English name Scandinavian Herring Gull (Larus argentatus argentatus), for this taxon. I confess that I am not sure if birds from Denmark and northern Netherlands should be included here or with argenteus.

: a series of 50+ first-cycle birds (standing and flying) - some of which are likely argentatus - from NE Scotland (late Feb) - added 03/29/10
: two first-cycle birds (flying) from England that show some smithsonianus-like traits - added 01/07/15
: a juvenile (standing) from Baltic Germany (July)
: a juvenile/first-basic (standing) from Baltic Germany (Aug)
: 3 juveniles (standing) from Finland (Aug) 10-07-99
: a juvenile/first-basic (standing) from Baltic Germany (Oct)
: a juvenile (standing) from Baltic Germany (Dec)
: a dark first-basic (standing) from England (Mar)
: a presumed first-basic (flying) from England (Mar)
: a first-basic (standing) from Baltic Germany (April)
: two first-basics and a second-basic (standing) from England (Jan) 01-25-08
: a first-basic (standing) from England (Jan) 01-25-08
: a first-basic (flying) from England (Jan) 01-25-08
: a first-alternate (standing) from Baltic Germany (July)
: a first-cycle and 2nd cycle from England (Jan) with smith-like neck "shawls" - added 01/26/14 .
: a flying second-cycle from England with a strong smith-like neck "shawl" - added 01/26/14 .
: a sitting second-cycles from Scotland with a strong smith-like neck "shawl" - added 01/26/14 .
: a 3rd/4th-cycles from Scotland with smith-like dark marks in the tertials/primary coverts - added 01/26/14 .
: a pair of 2nd-cycle HERGs from Chicago and Scotland - they look like they've swapped continents.... - added 03/04/09
: a second-basic (standing) originally from Russia (Oct) 11-05-07
: 2 second-basics (standing, flying) from Finland (Aug) 10-07-99
: a possible third-basic (standing) from Texas (Feb)
: a definitive-alternate (standing) from Finland (Aug) 10-07-99
: a definitive-basic (standing) from Baltic Germany (Nov)
: a definitive-basic (flying) from England (Jan) 01-25-08
: a definitive-basic (standing) from Scotland (Feb) 06-19-00
: a definitive-alternate (standing) from baltic Germany (Mar) - with dark eyes.
: adults from Scotland with some smith-like patterns in the primaries - added 01/07/15 .
: adults from Scotland with small gray "mirrors" on P9/P10 - added 01/07/15 .