Canada (B) (NB) (P), China (mainland), Greenland (B) (NB), Iceland (B) (NB), Japan, Mexico, North Korea, Russia (Asian), South Korea, St Pierre and Miquelon (NB) (P), USA (B).
Vagrant to Austria, Belgium, Croatia (Local Name: Hrvatska), Denmark, France, Germany, Italy, Kazakhstan, Mongolia, Montenegro, Netherlands Antilles, Norway, Poland, Serbia, Slovakia (Slovak Republic) (NB), Svalbard and Jan Mayen Islands, Sweden, Switzerland, Ukraine, United Kingdom.
From L Baikal, Siberia, eastwards to Aleutian Is and Alaska, southwards to Colorado, USA. eastern Canada, Greenland and Iceland.
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is 190,000 - 380,000 (2010).