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Chroicocephalus ridibundus

species of bird
IOC Classification: DomainEukaryota • RegnumAnimalia • PhylumChordata • SubphylumVertebrata • InfraphylumGnathostomata • SuperclassisTetrapoda • ClassisAves • SuperordoNeognathae • OrdoCharadriiformes • FamiliaLaridae • GenusChroicocephalus • Species: Chroicocephalus ridibundus (Linnaeus, 1766)
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Wikispecies has an entry on:

IUCN: LC IUCN 3 1.svg Larus ridibundus Linnaeus, 1766 (old web site) (Least Concern)

Contents

Adult summer (III - VII)Edit

Head and swimmingEdit

SittingEdit

In flightEdit

FightingEdit

Adult winter (VII - III)Edit

HeadEdit

SwimmingEdit

SittingEdit

In flightEdit

Nest, Chicks, JuvenileEdit

FlocksEdit

SittingEdit

In flightEdit

SwimmingEdit

VideosEdit

Black-headed gulls in winter plumage, New Danube, Vienna, January 2015