Animal ID
❄️
Arctic Tundra & Polar Ice
❄️Polar Ice & TundraNorth America / Europe / Asia
Biodiversity Index: 80/100
What Animals Live in the Arctic Tundra?

Arctic Tundra & Polar Ice

The circumpolar frozen realm of perpetual permafrost, pack ice floes, and midnight sun.

Temperature Range

-50°C in winter to 10°C in brief summer (-58°F - 50°F)

Annual Precipitation

150 to 250 mm (6 - 10 in) annually (cold desert)

Humidity & Seasonality

Polar night (months of 24h darkness) and midnight sun (24h daylight)

Countries & Territories

Norway (Svalbard), Canada, Greenland (Denmark), United States (Alaska), Russia

Ecological Profile

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.

Key Wildlife Facts:
  • 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.
Apex Predators

Rulers of the Food Chain

Polar BearGreenland SharkSnowy OwlArctic Wolf
Threats & Conservation

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

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Polar Bear
Apex PredatorVulnerable

Polar Bear

Ursus maritimus

Habitat Stratum: SnowlineCathemeral
Key Evolutionary Adaptation: Translucent hollow hair shafts funneling UV light to black heat-absorbing skin, over 10 cm of blubber; hunts ringed seals from sea ice breathing holes.
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Arctic Fox
Common NativeLeast Concern

Arctic Fox

Vulpes lagopus

Habitat Stratum: Forest FloorCathemeral
Key Evolutionary Adaptation: Seasonal double coat changing from pure snow-white in winter to brown-grey in summer; fur-lined foot pads to prevent frostbite at -50°C.
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Walrus
Keystone SpeciesVulnerable

Walrus

Odobenus rosmarus

Habitat Stratum: River/AquaticDiurnal
Key Evolutionary Adaptation: 1-meter ivory tusks used to haul massive 1.5-ton bodies onto ice floes and dredge clams from benthic continental shelves.
Endemic Wildlife Summary
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Muskox
HerbivoreLeast Concern

Muskox

Ovibos moschatus

Habitat Stratum: Forest FloorDiurnal
Key Evolutionary Adaptation: Qiviut inner wool underwool 8 times warmer than sheep wool; forms impenetrable defensive outward-facing horn circles against wolf packs.
Endemic Wildlife Summary
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Narwhal
Indicator SpeciesLeast Concern

Narwhal

Monodon monoceros

Habitat Stratum: Deep OceanDiurnal
Key Evolutionary Adaptation: Spiral erupted left canine tusk up to 3 meters loaded with 10 million sensory nerve endings to detect ocean salinity, temperature, and pressure.
Endemic Wildlife Summary
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Snowy Owl
Apex PredatorVulnerable

Snowy Owl

Bubo scandiacus

Habitat Stratum: Forest FloorDiurnal
Key Evolutionary Adaptation: Heavily feathered talons acting like snowshoes; diurnal eyesight allowing continuous hunting during 24-hour Arctic summer daylight.
Endemic Wildlife Summary
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Arctic Tern
Indicator SpeciesLeast Concern

Arctic Tern

Sterna paradisaea

Habitat Stratum: AirDiurnal
Key Evolutionary Adaptation: Undertakes the longest annual migration on Earth (90,000 km pole-to-pole from Arctic to Antarctica), experiencing two summers a year.
Endemic Wildlife Summary
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Greenland Shark
Apex PredatorVulnerable

Greenland Shark

Somniosus microcephalus

Habitat Stratum: Deep OceanNocturnal
Key Evolutionary Adaptation: Longest-lived vertebrate known (estimated 250 to 500 years); tissues contain high concentrations of trimethylamine oxide anti-freeze.
Endemic Wildlife Summary
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Arctic Char
Common NativeLeast Concern

Arctic Char

Salvelinus alpinus

Habitat Stratum: River/AquaticDiurnal
Key Evolutionary Adaptation: Northernmost freshwater fish on Earth, thriving in ice-covered lakes that freeze solid down to deep thermal refugia.
Endemic Wildlife Summary
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Arctic Woolly Bear Caterpillar
Indicator SpeciesLeast Concern

Arctic Woolly Bear Caterpillar

Gynaephora groenlandica

Habitat Stratum: Forest FloorDiurnal
Key Evolutionary Adaptation: Spends up to 14 years in larval stage, freezing solid at -60°C every winter and thawing in summer to feed on Arctic willow.
Endemic Wildlife Summary
Regional Wildlife Matchups

Related Animal Comparisons

Compare similar looking predators or ecological counterparts living in or around Arctic Tundra & Polar Ice:

Field Comparison

Polar Bear vs Grizzly Bear

Compare →
Explore Other High-Biodiversity Ecosystems:
Arctic Tundra & Polar Ice Animals — Species & Wildlife Guide | AnimalIDFinder