Slaty-backed gull (Larus schistisagus)

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Wikipedia: Slaty-backed gull Source: WIKIPEDIA Ooseguro-kamome.jpg

Observations

🔍 No documented observation

Description

Classification: Genus Larus (Larus); Subfamily Larinae (Larinae); Family Gulls (Laridae)
This bird appears across the great seas in the following continents: North America, Australia.
vagrant

Other Details