northern bog lemming
Synaptomys borealis
brown lemming
Lemmus trimucronatus
Lake Louise
Saint Elias Mountains
bearberry
St. Elias Mountains
St. Elias Range
Katmai National Park
icescape
Beaufort Sea
Katmai National Park and Preserve
Mount Rainier National Park
Arctic Archipelago
Kobuk Valley National Park
Canadian Prairies
Stikine
Arenaria interpres
ruddy turnstone
Yukon River
Yukon
Unuk
Coleen
Taku
Sorex cinereus
masked shrew
Tina
termination dust
Beringia
Betula glandulosa
Newfoundland dwarf birch
American dwarf birch
Auke
Taiga
Dall
Aka
Vitus
Winnipeg
Synaptomys cooperi
southern bog lemming
Lake Winnipeg
Wabamun
American smelt
arctic willow
Seward Peninsula
rainbow smelt
Salix arctica
Laurentian Highlands
Prairies