subarctic montane tundra of far ne Palearctic and nw Nearctic: Chukotka (ne Siberia), Alaska mainland (except far n), Yukon, far NWT and nw British Columbia (nw Canada)
Nonbreeding Range Subregions
w USA and s PO islands : temperate to tropical, mainly rocky Pacific coasts: e Australia, se New Guinea satellites, Melanesia, Micronesia and all Polynesian groups including Hawaiian Is., isolated e Pacific islands including Clipperton (far sw of Mexico),
Africa (entire continent rather than south of Sahara)
AN
Antarctica
AO
Atlantic Ocean
AU
Australasia (Wallacea (Indonesian islands east of Wallace's line), New Guinea and its islands, Australia, New Zealand and its subantarctic islands, the Solomons, New Caledonia, and Vanuatu)
PAL
Eurasia (Europe, Asia from the Middle East through central Asia north of the Himalayas, Siberia and northern China to Japan)
IO
Indian Ocean
LA
Latin America (Middle and South America)
MA
Middle America (Mexico through Panama)
NA
North America (includes the Caribbean)
NO
Northern oceans
OR
Oriental Region (South Asia from Pakistan to Taiwan, plus Southeast Asia, the Philippines, and Greater Sundas)