Gulls (Laridae)

Slaty-backed Gull (Larus schistisagus) - HBW 3, p. 611

French: Goéland à manteau ardoisé German: Kamtschatkamöwe Spanish: Gaviota de Kamchatka
Other common names: Pacific Gull, Kamchatka Gull

Taxonomy: Larus schistisagus Stejneger, 1884, Kamchatka.
Considered closely related to L. genei by some authors, to L. argentatus (with which it occasionally hybridizes) by others, but appears to be a distinctive N Pacific species. Monotypic.

Distribution: NE Siberia, from Cape Navarin and Kamchatka S to Hokkaido, NE Honshu and Vladivostok. Winters S to Taiwan.