what looked encouraging for an adult Caspian Gull (1/3rd in from right) that we never saw the wings or most of the legs of. Its pure white head, small dark eye, long, thin paler bill (not very obvious from this image ) and darker mantle were all encouraging but couldn't rule out a hybrid. Unseen by me at the time is a dark-mantled third-winter partly in shot on the extreme left. This may be the bird in the above image and was probably what looked good for a third-winter Caspian Gull that soon after walked behind the adult. It showed a long thin bill with black tip, small angled head, small dark eye and rather upright stance but my attempts to get images failed miserably and it sat down out of sight and remained that way until the flock flew. |
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