S. F. Baird, 1869,
Kodiak Island, Alaska.
Listed by some authors as Sterna camtschatica, particularly in Russia. Monotypic.
Sakhalin through Sea of Okhotsk to Kamchatka and perhaps other sites in Bering Sea; Alaska on Bering and Pacific coasts, from Chukchi Sea and Kotzebue Sound S to Aleutian Is, and E to delta of Copper R and Dry Bay; has bred in Japan (Hokkaido). Main wintering area unknown, although some winter off Indonesia and Malaysia#R#R#R.
Food and feeding
Status and conservation
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