Good web images of first cycle Thayer's Gulls can be seen here;
Jeff Poklen's Thayer's Gulls.
Michael G. Shepard's Thayer's Gull page.
Thayer's Gulls on the Japanese Gull-site.
The Provincetown Thayer's Gull from Dec '06.
On the down side, we came away with very few flight images but future photographic opportunities look excellent from this spot and hopefully some of the local photographers will get some good results.
First images taken from Jodrey fish pier. Settled on the roof tops just north-east of the grass hill off Rogers/Main Street in Gloucester.
Nice head and bill shot showing clean, unstreaked 'mask' and long looking lores.
At rest - centers of tertials gray-brown, only slightly darker than rest of upperparts but significantly lighter than dark-brown primaries. Distincive pattern allowing for the to be picked out from smithsonianus at considerable range.
First-cycle Thayer's Gull on the left with first/second-cycle American Herring Gull.
Dark tips and dark outer webs to primaries.
More on this story to come..........