Except where stated otherwise, all of these pictures of Iceland Gull Larus glaucoides are presumed to be of the Nearctic form, kumlieni:

01: link to a first-basic (standing); the first Texas record, from January - link corrected February 21, 2007 .
02: a first-basic (standing, flying); from Houston, Texas in December: updated February 21, 2007 .
02: a first-basic (standing, flying); from Houston, Texas in March: added March 07, 2008 .
03: first-basic (standing) ; a dark nominate bird from baltic Germany in March
04: 2nd-basic (standing, open wing) ; a large, big-headed bird from PA in Dec. -
. . . is this an ICGU or something else?
05: a possible adult basic (flying) from Pennsylvania in December - or is it thayeri?