Can anyone hear bats?

Question

I know they have some sort of sonar thing to communicate and my boyfriend says he can hear them. He does have very good hearing but I am not sure about this and I wondered if it was true and if anyone else could?

Answer 1

While it is true that most bat sounds, especially the ones used in echolocation, are too high in frequency to be heard by humans, it is not true that bats make no other sounds. Bats on the roost make several different sounds that are perfectly audible to humans. This includes a mouse-like squeaking sound and a chattering sound that can be mistaken for a loud insect sound. When caught, bats make a lot of noise that is audible to humans - most of the noise they are making is actually too high-pitched, but the lower frequency parts are audible to most people, especially at close range. When in flight, the sounds bats make are involved in echolocation, and are too high frequency for most people to hear, but on the roost or when agitated, they are easily heard.

Answer 2

Bats produce sounds above the human range of hearing. They use the echoes of ultrasonic, high frequency calls to locate objects thus termed "echolocation". Humans hear sounds with frequencies between 20 Hz and 20 kHz, while most bats use a broader range (from about 9 kHz to 200+ kHz). Most bat echolocation calls are high in frequency, well beyond the range of human hearing (but we can hear the echolocation calls of some species.) A bat detector, however, can make these signals audible to humans.

You may hear some distinctive soundslike a chirp bats make but not their voices. Bats produce calls through their larynx, or voice box. The call is like a fast, high-pitched whistle, inaudible to the human ear. "If we slow the echolocation call down, its sound is sort of like a chirp. Humans can't hear any more than a click, because our ears can't hear that fast. Bats voice recognition can be tracked down with computer voice recognition programs. Electronic devices called bat detectors allow the human ear to perceive these various components of a bat's echolocation bouts.

It also has been said that humans at young age can hear high frequency sound which fades while growing, thus young children has the ability to hear bat's call or sonar ping, but only as a quite faint high pitch .♥

Answer 3

their echolocation sounds you mean? The lowest-pitched species will use 14kHz so a normal and healthy human ear (peaks at 20kHz) could hear them in theory.

this being said I wouldn't bet on anyone being able to hear bats' screams because:
- (1) 14kHz is that bats' lowest frequency (species dependant) and the range typically goes up to 100kHz so the odds that they "scream" long enough below 20kHz are probably low
- (2) the sensitivity of the human ear at such frequencies is typically much, much lower than our peak sensitivity (between 1kHz and 5kHz). Actually it is comparable to our sensitivity to very low frequency sounds (below just 100 Hz)

I have quite sensitive ears myself, we have bats in the region, we have had the odd bat trapped inside the house and flying around, it never hit any walls thanks to echolocation, this means that it was screaming a lot, but I never heard a thing.

also, from an evolutionary point of view, I think that bats that could readily be heard by too many higher mammals would probably run a higher risk of being caught, if only by chance (say, a dog jumps, a cat climbs up a tree). Dogs can hear up to about 45kHz, and cats up to maybe 64kHz, so if I were a bat, I'd try to remain in the 50-100kHz range, which would make me safely out of range for any human ear ;-)

on the other hand, the flapping of their wings is readily recogniseable, of course.


hope this helps

Answer 4

If you're still struggling to increase you're straight and you are trying to get the hands above the side, set Vert Shock to the check, a program that you will think it is here https://tr.im/ZSHkD  and give it a try, you'll be amazed of how quickly you can become an animal hopper in the event that you train the right way.
The program won't allow you to leap 1000s of occasions since Vert Shock was produced and utilized by actual elite level basketball players.
As it pertains right down to it, in the event that you really want to leap larger, you simply discovered the very best process on earth to accomplish so. Some other way would merely be described as a spend of time.

Answer 5

Yes, children especially. As we get older we lose the ability to hear higher frequencies, such as those used by bats.
We also lose low frequencies too.
There are many factors that will determine is you can hear bats, your genes, your daily environment and how well you have looked after your hearing.
Mine is trashed, but I never could hear bats even when young.

Answer 6

I was always able to hear bats up until the age of 25, then I lost the ability. I think younger people often can hear bats.

Answer 7

Yes; I can - many people can hear part of the high pitched signal - when heard the sound is like a high pitched pulsed squeak that last for about half a second; similar in tone to the sound you sometimes get from monitors/TVs when they get a bit old.

Answer 8

1

Answer 9

Bats do flap their wings and make a squeel sound
Go to Chester Zoo they have bats that you can go inside and they fly past you.
It's great

Answer 10

I had a bat in my bedroom one night, so yes, I can vouch for the fact you can definately hear them, but it mainly the sound of their wings flapping. It was gross!