Pictures of Animals That Make Soft Sounds
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Admit it, you had no idea these 15 common animals made these noises
If you were handed three photos of a cheetah, an ostrich, and a porcupine, you could tell the difference. But what if you were only given the sounds these animals make?
One of them chirps. Another one squeaks. The third booms (that's the technical term). Do you know what sound belongs to which animal?
Booms and chirps aren't even the craziest sounds you'll hear in this compilation of shocking noises made by some of the world's most recognizable animals. Perhaps the most bizarre is a bird that sounds exactly like an old-school polaroid click camera.
A single animal can produce dozens of different sounds for different purposes. Here, we provide an example of one call from each.
Unlike lions, jaguars, and other wild cats, cheetahs can't roar. Instead, they chirp. That's because the thyroid bone in their throat that they use to help generate sound is shaped differently from the same thyroid bone in wild cats that can roar. That's also why your house cat can't roar.
Read more about why cheetahs chirp and lions roar.
Male ostriches are usually silent, but when it comes time to mate, they're very vocal. By filling a sac in their long necks with air, they produce a low-pitched, hollow, booming sound to let the female know they're ready. Males in captivity will sometimes boom at visitors, too.
Read more about how ostrich sounds in Ostrich Production Systems.
Koalas look like teddy bears but sound like pigs. The sounds these animals make are fascinating because they not only can use their larynx like humans, but they also have special folds in their nose similar to dolphins. The deep-pitched bellow in the video below are produced from the nose instead of the throat.
Learn more about the different sounds koala's make in Nature.
Like humans, elephants use vocal cords in their larynx to to generate sound. However, an elephant's larynx is eight times larger than a human's. They use this giant muscle to produce low growls. Sometimes these growls are too low for humans to hear, but luckily they're loud and clear in the video below. Elephants communicate most often through these growls and grumbles, not by their iconic trumpeting calls.
Read more about elephant rumbles on Discover Magazine and National Geographic.
Walruses can whistle! While most of their growls, bellows, and grunts are generated from vibrating vocal cords, there is one special sound that is not. It sounds like a bell and is the last sound you'll hear in the video. This noise is generated within inflatable sacs called pharyngeal pouches located on either side of the animal's esophagus. Male walruses will woo females with bell tones and whistles.
Read more about marine animal sounds in the paper "Sound Production and hearing in marine animals" and walrus sounds, specifically, on Sea World's website.
The red fox has over 20 different calls. One of the most common is barking, like in this video. Scientists have found that different foxes space their barks apart slightly differently, which allows them to recognize one another in the wild.
Read more about fox sounds on Live Science and bioone.org, and listen to some of the different calls on bioacoustica.org.
Some animals will imitate the sounds and behavior of others. This practice is common in birds and is also observed in horses, but is not necessarily a sign of intelligence. Horses will mimic each other's behavior but will also imitate humans, like in the video below.
Learn more about horse behaviors in How Horses Learn: Equine Psychology Applied to Training.
Mockingbirds are famous for their remarkable ability to mimic the sounds of other birds. Like all songbirds, these imitators use the mammal-equivalent of a larynx, called the syrinx. Mockingbirds tighten and relax membranes in the syrinx to generate different sounds and songs of other bird species.
Learn more about mockingbird sounds in The Mockingbird.
When it comes to generating sound, the human brain is more similar to a mouse's brain than a chimpanzee's, according to a 2012 study. Scientists found that a specific brain-body collaboration between the motor cortex (controller of involuntary muscles) and larynx existed in humans and mice but not chimps. The grasshopper mouse generates loud screams to stake its territorial claim in one of the harshest places on Earth: the Sonoran Desert. Warning, they're very high-pitched.
Read more about the 2012 study in Live Science.
Mammals generate different tones and pitches by flexing the muscles in their larynx. Alligators also produce a wide range of tones but their larynx are not as flexible. Therefore, how they manage such a large repetoire of sound is a mystery to scientists and a matter of ongoing scientific investigation.
Read more about alligator sounds on The National Center for Voice and Speech website.
If you thought the mockingbird was impressive, then you'll marvel at the mimicking capabilities of the lyrebird. Similar to the mockingbird, the lyrebird generates sounds of other birds through its syrinx, but it can also reproduce the sound of just about anything it hears, including a toy gun, a camera, a car alarm, and even a chainsaw. The more diverse its mating song, the more attractive it is to females.
Learn more about this marvelous bird on National Geographic.
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Pictures of Animals That Make Soft Sounds
Source: https://www.businessinsider.com/animals-that-make-the-weirdest-noises-2015-5
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