Black headed Gull (Chroicocephalus ridibundus) 1st Summer plummage, Lancashire, UK Black headed Gull (Chroicocephalus ridibundus) 1st Summer plumage. The plumage of gulls is a difficult one to follow and learn. The plumage takes a couple of seasons to develop into the adult plumage and full maturity. Until then each season is different with one winter different to the next, same with summer plumage's.
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Black headed Gull (Chroicocephalus ridibundus) 1st Summer plummage_UFP4867RM.tiff