Silver-haired Bat

Fascinating facts about the Silver-haired Bat

• A silver-haired bat's wings are so thin they're nearly transparent—just 0.1 millimetre thick, thinner than a human hair. This lets them absorb oxygen through the wing membrane itself during flight, topping up their lungs mid-hunt. Most mammals breathe only through their lungs; this bat breathes through its skin.
• Every autumn, silver-haired bats undertake one of North America's most mysterious animal journeys: a 2,000+ kilometre migration from Canadian forests to hibernation sites in the southern United States, traveling mostly at night, alone, with no parents to guide them. Young bats making the trip for the first time navigate routes they've never learned, somehow finding their way by instinct alone.
• A hunting silver-haired bat can catch 150 mosquitoes in a single hour—each one plucked mid-flight from the air. Over a summer season, one bat erases roughly 900,000 insects that would otherwise bite humans or spread disease, a silent economic subsidy to forestry and agriculture worth millions across North America.
• Wind turbines in North America kill an estimated 600,000 bats annually, and silver-haired bats account for nearly a quarter of those deaths. They're attracted to the structures, possibly mistaking them for trees or sensing the insects swarming around them—a mismatch between ancient navigation systems and modern machinery.
• Unlike most North American bats that roost in caves or buildings, silver-haired bats live in tree bark crevices and under loose bark in forests, making them nearly invisible to researchers. This cryptic lifestyle means their true population size remains unknown—they could be thriving or declining undetected, a ghost species in the canopy.

At a glance

About the Silver-haired Bat

In the velvety blackness of night, the silver-haired bat emerges, its fur a mesmerizing mosaic of dark hues and silver tipping, as it takes to the skies with an effortless elegance, its leathery wings beating in a slow, hypnotic rhythm. With each delicate flutter, it navigates the forest's labyrinthine canopy, a masterful hunter tracking the faint whispers of insect life, its large ears attuned to the subtlest vibrations. As it dances through the darkness, its very existence a testament to the mysterious beauty of the nocturnal realm, this vulnerable creature weaves an enchanting spell, a reminder of the magic that still lurks just beyond the reach of human sight.

Discover more wildlife