Arctic Tundra & Polar Ice
The circumpolar frozen realm of perpetual permafrost, pack ice floes, and midnight sun.
-50°C in winter to 10°C in brief summer (-58°F - 50°F)
150 to 250 mm (6 - 10 in) annually (cold desert)
Polar night (months of 24h darkness) and midnight sun (24h daylight)
Norway (Svalbard), Canada, Greenland (Denmark), United States (Alaska), Russia
Ecosystem Structure & Biodiversity
The Arctic Tundra is a treeless, wind-scoured biome underlain by continuous permafrost. In winter it is locked in solid pack ice; in the brief 8-week summer, top layers thaw into thousands of vernal bogs, triggering mass waterfowl migrations and lichen grazing.
- ✓Polar bear fur is not white — the individual hair shafts are transparent and hollow, reflecting light like snow.
- ✓The Arctic region is warming nearly four times faster than the global average.
- ✓Arctic Terns see more daylight than any other animal on Earth by migrating between both polar summers.
Rulers of the Food Chain
Rapid loss of sea ice extent and thickness due to polar amplification warming, permafrost carbon release, and expanding arctic shipping channels.
Wildlife Inhabiting Arctic Tundra & Polar Ice
Browse profiled species, adaptations, canopy layers, and conservation status
Polar Bear
Ursus maritimus
Arctic Fox
Vulpes lagopus
Walrus
Odobenus rosmarus
Muskox
Ovibos moschatus
Narwhal
Monodon monoceros
Snowy Owl
Bubo scandiacus
Arctic Tern
Sterna paradisaea
Greenland Shark
Somniosus microcephalus
Arctic Char
Salvelinus alpinus
Arctic Woolly Bear Caterpillar
Gynaephora groenlandica
Related Animal Comparisons
Compare similar looking predators or ecological counterparts living in or around Arctic Tundra & Polar Ice: