Note:

Proliferano ovunque vi sia cibo, colonizzando oltre ai mari e corsi d'acqua, anche discariche urbane.

Tassonomia:

Domain: Eukaryota - Whittaker & Margulis,1978 - eukaryotes
Kingdom: Animalia - C. Linnaeus, 1758 - animals
Subkingdom: Bilateria - (Hatschek, 1888) Cavalier-Smith, 1983
Branch: Deuterostomia - Grobben, 1908
Infrakingdom: Chordonia - (Haeckel, 1874) Cavalier-Smith, 1998
Phylum: Chordata - Bateson, 1885 - Chordates
Subphylum: Vertebrata - Cuvier, 1812
Infraphylum: Gnathostomata - auct. - Jawed Vertebrates
Superclass: Tetrapoda - Goodrich, 1930
Class: Aves - Linnaeus, 1758
Subclass: Avialae - Gauthier, 1986
Infraclass: Aves - (C. Linnaeus, 1758)
Cohort: Neognathae - Pycraft, 1900
Superorder: Charadriimorphae - Huxley, 1867
Order: Charadriiformes - Huxley, 1867
Suborder: Lari - Sharpe, 1891
Infraorder: Larides - Sharpe, 1891
Parvorder: Charadriida
Superfamily: Laroidea - Vigors, 1825
Family: Laridae - Vigors, 1825
Subfamily: Larinae
Tribe: Larini
Genus: Larus - C. Linnaeus, 1758
Specific name: michahellis - J. F. Naumann, 1840
Scientific name: - Larus michahellis J. F. Naumann, 1840