🐾 Chipmunk

Chipmunk

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Who it is

• Scientific name: Tamias striatus
• Family & relatives: A member of the squirrel family (Sciuridae); closely related to ground squirrels, marmots, and prairie dogs.
• How to spot it: Look for five dark stripes down a reddish-brown back, white belly, and a bushy tail held upright when running.

Its body & abilities

• Size: About 13-19 cm in body length, plus a tail of roughly 8-10 cm.
• Weight: Typically 66-150 grams, about as heavy as a small apple.
• Body & adaptations: Its stretchy cheek pouches can carry many seeds at once, and sharp claws make it a nimble climber and digger.
• Top speed: Can scurry up to about 33 km/h in short bursts.
• Strength: Its cheek pouches can expand to nearly the size of its head to haul food back to storage.
• Senses: Sharp eyesight and keen hearing help it spot hawks and snakes; it uses smell to find buried food.
• Growing up: Born blind and hairless, pups open their eyes near a month old and leave the burrow at about two months.

Where it lives

• Habitat: Deciduous forests, woodland edges, and leafy backyards with logs and rocks for cover.
• Where in the world: Eastern North America, from southern Canada down through the eastern United States.
• Territory: Defends a small home range, usually less than half a hectare around its burrow.

What it eats

• Diet: Omnivore that leans heavily on seeds and nuts; drinks water and gets moisture from food.
• Favorite foods: Acorns, seeds, berries, mushrooms, insects, and occasionally bird eggs.
• How it hunts: Forages on the ground and in low shrubs, hoarding food in an underground larder for winter.

How it behaves

• How it moves: Runs, hops, climbs trees, and digs extensive tunnels.
• When it is active: Active by day (diurnal), especially in early morning and late afternoon.
• Family life: Mostly solitary and territorial; there is no special herd name as they live alone.
• How it talks: Uses sharp chips, chucks, and trilling calls to warn of danger.
• Babies: After about a 31-day pregnancy, the female bears 3-5 pups, usually in one or two litters a year, and raises them alone.

Its place in nature

• Role in nature: Spreads seeds and fungi through its forgotten caches; preyed on by hawks, foxes, weasels, and snakes.
• Conservation: IUCN Least Concern, with large stable populations.
• Dangers: Most die young from predators, harsh winters, or road traffic.

Life & legacy

• How long it lives: Usually 2-3 years in the wild, but up to about 8 years in captivity.
• In our culture: It inspired cartoon characters like Chip and Dale and is a beloved backyard visitor.
• Where to see it: Common in eastern U.S. and Canadian parks, forest trails, and nature reserves.
• Fun fact: A single chipmunk can gather and store thousands of nuts in a single autumn.