This presumed hybrid Lesser Black-backed Gull (Larus fuscus) x European Herring Gull (Larus argentatus) was photograped at Egens Havhuse in Kalø Vig on 27 October 2009. It immediately attracted my attention because of its dark-grey upperparts which were much darker than on the nearby European Herring Gulls but at the same time the bird was not a Lesser Black-backed Gull.
The possibility of it being a hybrid Lesser Black-backed Gull x European Herring Gull, seems to be the best fit because it was much darker grey compared to local Herring Gulls and it showed distinct pink-tinged legs, rather dark underside to primaries and a broad white trailing edge to secondaries as in Lesser Black-backed Gull and finally a Herring Gull JIZZ with short primary projection. In other words, it showed mixed characters of both species.
The possibility of it being a hybrid Lesser Black-backed Gull x European Herring Gull, seems to be the best fit because it was much darker grey compared to local Herring Gulls and it showed distinct pink-tinged legs, rather dark underside to primaries and a broad white trailing edge to secondaries as in Lesser Black-backed Gull and finally a Herring Gull JIZZ with short primary projection. In other words, it showed mixed characters of both species.
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