anatum
tundrius
pealei
South
of Canadian
tree-line
through
USA
and Central and
South
America – largely extirpated by
organochlorines
Tundra
of Canada,
Greenland,
and Alaska;
highly
migratory
as
far south as Chile and
Argentina
NW
Coastal areas
including
those of British
Columbia,
Queen Charlotte
Islands
and southern
Alaska