Picture informations: Great black-backed gull

Author(s) Kirsten Thiemann
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Great black-backed gull  

Picture informations: Lesser black-backed gull

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Lesser black-backed gull  

Picture informations: Herring gull

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Herring gull  

Picture informations: Yellow-legged gull

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Yellow-legged gull  

Picture informations: Caspian gull

Author(s) Martin Gottschling
Licence owner Martin Gottschling
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Caspian gull  

Picture informations: Mew gull

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Mew gull  

Picture informations: Black-headed gull

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Black-headed gull  

Picture informations: Little gull

Author(s) Felix Timmermann
Licence owner Verein Jordsand
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by 3.0
Little gull  

Picture informations: Mediterranean gull

Author(s) Martin Olsson
Licence owner Martin Olsson
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
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Mediterranean gull