Star-nosed Mole (Condylura cristata) lives in wet meadows across North America. It feeds on insects and worms. Its conservation status is Least Concern.
Fascinating facts about the Star-nosed Mole
- In just 120 ms, about the blink of an eye, this mole can spot, decide, and gobble a tiny worm, making it the fastest-eating mammal on record. On average it needs 227 ms to identify and swallow a prey item, and its brain makes the edible-or-not judgment in roughly eight milliseconds, pushing the limits of neuronal speed.
- The star-shaped nose packs over 25,000 tiny Eimer's organs into a surface smaller than a human fingertip, giving the mole about six times the touch sensitivity of a human hand. More than half of its cerebral cortex, roughly 52%, is devoted to processing signals from this tiny organ, even though the nose is only about 10% of its body size. This massive brain real-estate allocation turns a blind, underground dweller into a tactile-vision expert, letting it map its murky world with astonishing detail.
- Star-nosed moles can smell underwater by blowing a stream of tiny air bubbles, between eight and twelve per second, each only 0.06-0.1 mm, onto objects, then sucking the bubbles back in to ferry scent molecules to their olfactory receptors. This surprising trick, captured on high-speed video, lets them detect prey hidden beneath the water's surface, a capability most mammals lose when they adapt to aquatic life.
- Native to eastern North America, the star-nosed mole's range stretches from the Atlantic coast west to Manitoba and north to about 55° N in Québec and Newfoundland, reaching elevations as high as 1,676 m (5,499 ft) in the Great Smoky Mountains. Though it prefers soggy soils, it can also be found in dry meadows up to 400 m from water, showing a surprising flexibility for a creature tied to wetlands.
- Mating in late winter or early spring, females usually raise four to five hairless pups, each about 5 cm long and weighing 1.5 g, after a 45-day gestation. The newborns stay sealed in their eyes, ears, and star for two weeks, become independent at 30 days, and reach full maturity at ten months.
Sources
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At a glance
RangeNorth America
HabitatWet meadows
DietInsects and worms
About the Star-nosed Mole
In the dark, damp tunnels of its subterranean world, the star-nosed mole moves with an almost ethereal grace, its distinctive star-shaped organ twitching as it navigates the hidden landscape with ease. As it digs and burrows, its powerful front legs and long, sharp claws propel it through the earth with a speed and agility that belies its small size, uncovering a secret realm of hidden insects and invertebrates. With its unique, fleshy star guiding it through the darkness, this enigmatic creature is a true marvel of evolutionary adaptation, a testament to the incredible diversity of life on our planet.
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