This post shows a selection of subtly different Thayer's Gulls. Some show the accepted phenotypic characters of this taxon, but others (e.g. the second bird) would be rather difficult to identify with 100% confidence out of range.
Thursday, 18 December 2008
Sunday, 14 December 2008
Peregrine Falcon. This bird spooked the gulls and actually took a California Gull...