Arctic Ground Squirrel
EntdeckenSäugetiere
Arctic Ground Squirrel
urocitellus parryii
The Arctic Ground Squirrel is a resilient and highly social rodent native to the wind-swept tundras, alpine meadows, and river valleys of North America and Siberia. As the largest of the North American ground squirrels, they have developed extraordinary adaptations to survive some of the harshest winters on Earth. These animals live in tight-knit colonies and excavate elaborate burrow systems in the sandy, well-drained soils above the permafrost, constantly communicating with their neighbors using a complex vocabulary of bird-like chirps and whistles to warn of approaching predators.
Lebensraum: Found in open arctic tundra, alpine meadows, and sandy river banks with well-drained soils above the permafrost layer.
Aussehen
The Arctic Ground Squirrel has a robust, cylindrical body with a short, flat tail, measuring around 33 to 50 centimeters in total length. Its dense coat features a beautiful mottled pattern of reddish-brown, tan, and gray fur, thickly speckled with distinct white spots along its back. The face, shoulders, and sides of its neck are washed with a warm, rusty-cinnamon color, while its underparts are a pale cream or light tan. It has small, rounded ears set flat against its skull to minimize heat loss, and strong, dark claws specialized for digging through tough tundra soils.
ReichAnimaliaStammChordataKlasseMammaliaOrdnungRodentiaFamilieSciuridaeGattungUrocitellus
Kategorie
SäugetiereSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
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Interessante Fakten
Male Arctic ground squirrels wake up from hibernation up to three weeks earlier than females, using cached seeds to regain muscle mass and elevate testosterone levels before mating.
They are known to occasionally scavenge on the carcasses of other animals, including snowshoe hares, to secure high-quality proteins and fats for the winter.
To achieve supercooling, these squirrels purge their blood of any potential ice-nucleating agents, preventing ice crystals from forming in their blood vessels.
Besondere Fähigkeiten
Fähigkeit
Extreme Supercooling
During hibernation, their core body temperature drops below freezing to as low as -2.9 degrees Celsius without solidifying, the lowest measured temperature of any living mammal.
Fähigkeit
Sentry Alarm System
They coordinate colony defense by posting sentries who use high-pitched, bird-like whistles to warn others of aerial or terrestrial threats.
Fähigkeit
Rapid Neural Regeneration
Upon waking from hibernation, their brains rapidly rebuild shrunken neural connections within hours to quickly restore full cognitive function.
Maße und Details
- Länge
- 33-50 cm
- Gewicht
- 0.4-1.2 kg
- Lebenserwartung
- 3-6 Jahre
- Top Speed
- 30 km/h
- Gelegegröße
- 5-10
- Brutzeit
- 25-30 Tage
Ernährung und Fütterung
An opportunistic feeder that primarily consumes tundra plants, seeds, and berries, but heavily supplements its diet with insects, mushrooms, and animal carrion to build crucial fat reserves.
Altersunterschiede: Juveniles focus on consuming tender green vegetation and high-energy seeds, whereas adults consume more diverse items, including larger insects and carrion, to quickly gain fat prior to hibernation.
Hauptnahrung
- Tundra grasses
- Willow leaves
- Crowberries
- Mushrooms
- Insects
- Animal carrion
Nahrungssuche
- Foraging
Ökologische Zusammenhänge
eaten by
Grizzly Bear
Ursus arctos horribilis
Grizzly bears hunt Arctic ground squirrels by vigorously digging up their burrow systems, especially during late summer.
eaten by
Arctic Fox
Vulpes lagopus
The Arctic fox hunts ground squirrels, relying heavily on them and their pups as a key food source during the summer breeding season.
eaten by
Snowy Owl
Bubo scandiacus
Snowy owls hunt ground squirrels from elevated perches, preying on individuals that forage too far from burrow entrances.
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Sicherheit
Gefahr
1/5 · Sehr gering
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Häufig gestellte Fragen
Wie identifiziert man Arctic Ground Squirrel?
Der einfachste Weg, Arctic Ground Squirrel zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von Arctic Ground Squirrel?
33-50 cm
Was ist der/die/das gewicht von Arctic Ground Squirrel?
0.4-1.2 kg
Was ist der/die/das lebenserwartung von Arctic Ground Squirrel?
3-6 Jahre
Was ist der/die/das top Speed von Arctic Ground Squirrel?
30 km/h
Was frisst Arctic Ground Squirrel?
An opportunistic feeder that primarily consumes tundra plants, seeds, and berries, but heavily supplements its diet with insects, mushrooms, and animal carrion to build crucial fat reserves.
Wo findet man Arctic Ground Squirrel normalerweise?
Found in open arctic tundra, alpine meadows, and sandy river banks with well-drained soils above the permafrost layer.
Wie jagt Arctic Ground Squirrel?
Foraging
Snap-Karte
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