Borderline of Countable
10,000 Birds
JANUARY 19, 2017
I have observed it before in East Anglia, but never in Serbia and recently it was confirmed from a photo taken in Belgrade. Last but not least, there are only two or three conformed sightings of this northern species, rare in Serbia. Yet, they were around, all right, only by then they were called Yellow-legged Gulls.
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