This gull was at the Elliot Landfill, Corpus Christi, Texas on
December 28 2004: juvs with this general bright pattern are scarce
but regular in Dec/Jan in Texas (I'd love to know where they come
from...); what makes this one exceptional is that the white tertial
fringes extend all the way to the bases, the tail has lots of
subdued whitish squiggles in the bases of almost all the retrices,
plus there's some white notching laterally near the tip of a couple
of retrices, and the white-dark-white bar of the inner greater
secondary coverts does not peter out as it extends outwards, but
instead continues to the very outermost coverts:
