Chroicocephalus philadelphia / Bonaparte's gull (Chroicocephalus philadelphia)

Wikipedia: Bonaparte's gull Quelle: WIKIPEDIA 1200px-Bonaparte%27s_Gull%2C_Whitehorse.jpg

Beobachtungen

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Beschreibung

Systematik: Gattung Chroicocephalus (Chroicocephalus); Unterfamilie Möwen (Larinae); Familie Reiher (Laridae)
Allgemein: Bonaparte's gull (Chroicocephalus philadelphia) is a member of the gull family Laridae found mainly in northern North America. At 28 to 38 cm (11 to 15 in) in length, it is one of the smallest species of gull. Its plumage is mainly white with grey upperparts. During breeding season, Bonaparte's gull gains a slate-grey hood. The sexes are similar in appearance. [mehr]