A snake is a unique animal with a body, limbs, tongue flickering, and the ability to eat the entire prey. They mostly rely on their sense of smell to hunt their prey, although they also use sight and sound. But do snakes have ears or not?
Yes and no, Sara Ruane, a serpent at Rutgers University in New Jersey, told Live Science. Like reptiles, snakes do not have external ear structures. However, they have an ear bone in their head that is used for hearing.
“When you think of animals, whether they are dogs or animals, Rabbit jackThey heard the sound in a different direction and switched the external ear to better catch it in case it happened again, ”Ruane said. Only the nut and bolt part of the ear are included.
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Basically, the ear consists of three main parts. The outer ear focuses on the eardrum that separates the outer ear from the middle ear. The middle ear is made up of three bones that transmit sound from the eardrum to the inner ear through vibration. The inner ear converts these vibrations into nerve impulses that travel to the brain.
Snakes do not have both the outer ear and the middle ear, according to a 2012 study. Journal of Experimental BiologyHowever, they have one middle ear bone that connects the inner ear and the jaw. This caused the snake to hear a vibration like a predator crawling close to the forest floor. However, they were not adept at hearing the sound transmitted through the air.
Due to this ear setup, snakes can only hear a narrow frequency range, they can hear low frequencies. But not high frequencies, as most of them are transmitted through the air. Royal example boa Best of all, hearing frequencies between 80 and 160 Hz, according to a 2012 study for comparison, the normal human frequency range is 20 Hz to 20,000 Hz.Neurology(Sinauer Associates, Inc. 2001)
“If you swim and go underwater and someone standing by the pool shouts to you, you will hear them,” Ruane said. Higher “
This narrow range of hearing isn’t a problem for snakes, in part because they don’t use vocalizations to communicate. The vocalizations they make, such as hissing or roaring, have a higher frequency than they hear and may be for predatory birds and mammals, according to the study.
The bigger reason snakes don’t need sensitive hearing is because they rely on other senses. The sense of smell is particularly useful. “Snakes are flicking their tongues, picking up all the odor molecules in nearby air, bringing them back into the special organs they have for processing and delivering them to the brain. Therefore, although they do not have the opportunity to hear most other animals, “snakes are chemistry kings”.
Originally published in Live Science.