In the wild, the movement of the frog's vocal sacs as they inflate before they croak can be picked up
by echolocation, so the bats could use both listening (eavesdropping) and echolocation for hunting.
Toothed whales all navigate
by echolocation and share distinct genetic markers that separate them from the baleen relatives they diverged from some 35 million years ago.
Not exact matches
And now it has one, with technology inspired
by bats, which can «see» in the dark using
echolocation.
One way to avoid being eaten was to emit
echolocation sounds that were difficult for killer whales to detect — thus an ability favored
by evolution, «concludes Lee Miller and Magnus Wahlberg in their research article.
In 1944 in an issue of Science, he proposed the term «
echolocation» to cover not only «locating obstacles
by means of echoes» in bats, but also
by people, including via radar, fathometers and submarines using «apparatus working on the same basic principles.»
Some species of dolphins and whales adapted to the new environment
by evolving
echolocation, which allows them to «see» with their ears.
Research done
by Dr. Mel Goodale, from the University of Western Ontario, in Canada, and colleagues around the world, is showing that
echolocation in blind individuals is a full form of sensory substitution, and that blind
echolocation experts recruit regions of the brain normally associated with visual perception when making echo - based assessments of objects.
«We have been so impressed
by hearing and
echolocation that we've ignored other, possible sensory systems in cetaceans,» he says.
The detector picks up the
echolocation calls emitted
by bats and translates it to a frequency the human ear can hear.
«Acoustic communication — the «social calls,» not the
echolocation used
by these animals — is very important in this species, just like in the rest of the bats.
These mammals make human speech look simple: In a behavior called
echolocation, a bat must coordinate its nose, mouth, ears, and larynx to emit and receive calls, all the while executing flight maneuvers guided in part
by these signals.
But bottom - dwelling fish, such as barred sandperch, which are favored
by some Shark Bay dolphins, don't have swim bladders and so are harder to find with
echolocation.
Bats navigate
by bouncing sounds off of objects (an ability known as
echolocation), so perhaps it's no surprise that their ears work a lot like mini-radar dishes.
Boom Boxes Ultrasonic «boom boxes» that emit continuous high - frequency sounds from 20 to 100 kilohertz deter bats from getting too close to turbines
by interfering with their
echolocation.
At least one species of bat is known to use
echolocation to pick up on the ripples created in the pond
by the male frogs inflating and deflating their vocal sacs while calling.
In the new study, the researchers set out to provide physical descriptions of the mouth clicks used
by each of the three participants during
echolocation.
The research, performed
by Lore Thaler of Durham University, U.K., Galen Reich and Michael Antoniou of Birmingham University, U.K., and colleagues, focuses on three blind adults who have been expertly trained in
echolocation.
Halfwerk's team wanted to find out what happened if the mating calls were obscured
by background noise, so they arranged the robot - frogs in such a way that some could only be detected
by their croaking while others could also be detected
by bats using
echolocation.
Frog - eating bats pinpoint their prey
by their calls, and have evolved unique hearing that allows them to detect both the high - pitched squeaks of their
echolocation system and the low - frequency sound of calling frogs.
In Stifled, the sounds made
by your in - game character and yourself through microphone input reveal the otherwise hidden world through «
echolocation».
This ramps up tension as you seek to complete your objective all while only being able to see through
echolocation by tapping your cane.
Goaded
by the mysterious Warden, she must explore a twisted and frightening mansion using
echolocation.
In order to see what's in front of you, you need to make noise, and
by doing so, your main character can use
echolocation.
Other Half Orbit
by Jeremiah Barber with Ingrid Rojas Contreras (which already occurred), and Fathoming a Cave with Hott and musician Laura Steenberge, both explore the edges of perception through investigations into memories and dreams, and sounding and
echolocation, respectively.
A second sensor, laser autofocus, works sort of like
echolocation: a transmitter beams a wave of invisible light in the direction of a subject and determines its proximity
by measuring reflection time.