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Bats use a perceptual system called echolocation that allows them to produce high pitch sounds that bounce off nearby objects and living things. Humans can't normally hear these sounds, unless they're ...

To help small aerial robots navigate in the dark and other low-visibility environments, my colleagues and I developed an ...

Bats are nocturnal hunters and use echolocation to orientate themselves by emitting high-frequency ultrasonic sounds in rapid succession and evaluating the calls’ reflections. Yet, they have retained ...

What do bats, dolphins, shrews and whales have in common? Echolocation! Echolocation is the ability to use sound to navigate. Many animals, and even some humans, are able to use sounds in order to ...

As darkness falls and the air begins to cool, thousands of bats burst from the narrow mouth of their cave. The sky comes alive with their flapping wings, filling the air like a living liquid. It's a ...

Seba's short-tailed bat (Carollia perspicillata) lives in the subtropical and tropical forests of Central and South America, where it mostly feeds on pepper fruit. The animals spend their days in ...

For a bat to be at the top of its game for echolocation, it needs a good head on its shoulders. Not all bats, though, are the same when it comes to sensing their surroundings in total darkness — some ...

It’s now well-established that bats can develop a mental picture of their environment using echolocation. But we’re still figuring out what that means—how bats take the echoes of their own ...

Tiger beetles generate "anti bat-sonar" to prevent echolocating bats from eating them, scientists say. An experiment suggests the beetles mimic sounds created by poisonous insects that bats avoid.

"Lots of things fly at night," says Harlan Gough, a wildlife biologist with the U.S. Fish and Wildlife Service. Nightfall can set the stage for an acrobatic high-stakes drama in the air — a swirl of ...