name an animal who don't have the voice?

Answer 1

giraffes are the only mammal that doesn't mak any vocal noises.
(I think they are the only ones)

Answer 2

Any animal without vocal cords has no voice. They may make noise, but not with a voice. Fish come to mind. Insects, reptiles,etc.

Answer 3

No. 171
Animals Can’t Use Words
But are some able to name themselves?
In nature many animal species live in social bands, and that makes them seem particularly familiar to us. For these groups to keep the social cohesion that is vital to them, they have to be able to send and understand some kind of signals to each other. In thick forest, rugged country or under sometimes murky water, these communications most often take the form of audible signals to each other. Think of how social animals like elephants, hyenas, apes, penguins, wild geese, sea lions, whales and many others communicate with each other to keep track of where members of the band are. Their vocalizations serve to keep the group together but without singling out individuals. In many species, members do seem to recognize voices but they don’t seem to have the ability to mimic this voice in any way that would address or refer to a member of the same species as an individual.

We social humans can of course do all this too in highly-developed ways. And like many animals, we can easily identify an individual by the distinctive sound of a voice. But we do something else that animals don’t seem to: an individual has an identifiable name that can be used by anyone to address or refer to that person. So our socially-cohesive signals seem to contain an individualizing element, an individual label that is available to any member of the species. The name keeps its identification with a certain individual even when all voice qualities are removed - such as when the name is produced synthetically. (And of course when it is written, but we’re only talking about the auditory world here).

Think about it for a minute: this is a really significant difference. We are seeing a clear distinction between the way humans use names and the absence of any true naming instinct among other animals. Now we can begin to see the significance of recent investigations into dolphin communication in the wild.

Imagine the life of a dolphin in its natural habitat. They form a very close society, and they swim - sometimes scattered out - in water where visibility is often low. Eyesight is limited in water, but sound travels very efficiently. The dolphins travel in groups, and to maintain group cohesion they are in constant communication with each other, often hundreds of yards distant, in the form of what is called ‘whistles.’ They are extremely social animals, so in their natural environment they depend much more on hearing sounds than we do.

Like members of most species, individuals have distinctive voice sounds. Typically each animal repeatedly gives voice to its own individual signal, and others answer by repeating that same signal. For this reason it has been suspected for a long time that dolphins may be communicating something deliberate, beyond the sound of a voice. Each individual dolphin’s own unique whistle is called its signature whistle. It has often been guessed that since they readily imitate each other’s different sounds, when dolphins imitate a signature whistle - always adding their own signature whistle - they seem to be addressing and referring to another individual.

It was already well known that captive dolphins can easily learn new sounds and be taught to apply them to specific objects - including their trainers. This is merely building on the animal’s well-established instinct.

So these investigators* devised a clever scheme: they produced known signature whistles synthetically, which removed all voice features, and this allowed them to see whether the animals were reacting to the phonetic content of the whistle itself (pitch, duration and volume) independently of the sender’s own voice. The obvious question now is: how did the investigators know when the dolphin was ‘reacting’? Well, they had a wild dolphin temporarily retrained and played synthetically-generated dolphin whistles, then observed when the animal was turning its head toward the sound.

If the experiment shows what it seems to, that would mean that the dolphins were sending and understanding signals that were unique identifiers of individuals. The investigators found that the wild dolphins they were studying can in fact convey identity information independent of the voice features. Close study of groups of dolphins showed that they were indeed imitating each other’s whistles, which means that a dolphin was addressing and referring to itself and another by means of a meaningful sequence of sounds.

If you stop to think about it and compare this to everything else we know about social animals in the wild, it seems to be a rare - quite likely unique - instance of communication of a sort that we thought only humans were capable of. It’s what we call a name, and now we are left to wonder how close the signature whistles of the dolphins are to the names we so instinctively use. The investigators stop short of calling a dolphin signature whistle a ‘name’, but the analogy is very persuasive.

Answer 4

Giraffe

Answer 5

I heard a giraffe grunt at the zoo just the other day, so it's not a giraffe. I've never heard a platypus make a sound.

Answer 6

It is BAT ( Chamgadar) It has voice but we are unable to hear it's voice because high frequency of its voice. Our hears can hearvoice of frequency range between 20Hz-20000Hz and that of BAT frequency is more than 20000Hz

Answer 7

Umm...amoeba, plankton, any single-celled animal. And pretty much any fish. Many reptiles. Insects, arachnids, "bugs" in general. Goes on and on and on.

Answer 8

Giraffi is the only animal that donot make noice

Answer 9

I believe he's right as far as mamals go.

Fish don't have vocals either if we're talking animals in general...

Answer 10

Well I think that sankes neither have voice nor they have ears, well i don't remember anything else.

Answer 11

gerbils. I have 2 and they haven't made any sounds in 3 years.