J. F. Gmelin, 1789,
Closely related to P. dominica, with which formerly considered conspecific. Geographic variation in wing length, molt, and migration suggests that the Alaskan and Siberian breeding populations be distinguished as different subspecies#R. Monotypic.
NC & NE Russia from Yamal Peninsula E along coast (including Wrangel I) to Chukotskiy Peninsula and S across Koryakskiy highlands to N Kamchatka; W Alaska. Winters from E Africa through S Asia and Indonesia to Oceania, Australia and New Zealand; small numbers in SW USA (S California).
Food and feeding
Status and conservation
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