ML632998020

觀察細節

3 1st cycle 2 adults. One second cycle Photos added Two first cycle birds were classic bronze/chocolate brown Thayers. The other first was more silver. Two adults in flight - one photographed - both with extensive white on primaries with less black than nearby Herring. Dark eye shown on photographed bird. Second bicolored bill and gray mantle - showed venetian blind look on outer primaries and less contrast than second cycle Herring gulls also present.