This bizarre 1st-Basic presumed smithsonianus Herring Gull was photographed at La Marque
Race Track, Texas on March 24, 1999 by Martin Reid; I feel it
is a new taxon, the Pimple-headed Gull (Larus argentatus minutacephalus).
In direct comparison, the head looked slightly smaller than nearby
Ring-billed Gulls:
In this 2nd picture the odd bird has its bill slightly open, exaggerating
the bill depth; the pale 1B smithsonianus to the left is
an extremely small (but normally-proportioned) bird - in fact
the smallest HEGU out of c.100 individuals:
