
It is not entirely clear why turtles make noises while breeding, although some enthusiasts theorize that these sounds are a result of them tensing their neck muscles and breathing harder due to physical exertion. Others speculate that the vocalizations serve as a display of dominance or a means to convince and woo the female. Interestingly, the sounds of mating tortoises were famously used in the 1993 film Jurassic Park, where sound designer Gary Rydstrom chose to use the peculiar barking noises they make during mating to represent the raptors.
| Characteristics | Values |
|---|---|
| Noise level | Loud |
| Reason for sound | Tensing of neck muscles and heavy breathing due to physical exertion |
| Other theories | Vocalizations as a display of dominance or to convince and woo the female |
| Example | Raptor noises in the 1993 film Jurassic Park |
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What You'll Learn
- Turtles make a lot of noise during breeding
- The noise may be due to tensed neck muscles and heavier breathing
- The noise could also be a display of dominance or to convince the female
- The raptor noises in the film Jurassic Park are actually mating tortoises
- Some tortoise species take a long time to reach sexual maturity

Turtles make a lot of noise during breeding
It is true that turtles make a lot of noise during breeding. In fact, the sounds of mating turtles provided the vocalizations for the raptors in the original 1993 *Jurassic Park* film. Sound designer Gary Rydstrom told Kyle Buchanan at *Vulture*, "It's somewhat embarrassing, but when the raptors bark at each other to communicate, it's a tortoise having sex." He added, "If people knew where the sounds in *Jurassic Park* came from, it'd be rated R!"
Rydstrom faced the challenging task of creating the voices of creatures that no human has ever heard. For the raptors, he chose mating tortoises because they can mate for hours and hours, during which time they make peculiar barking noises.
It is unclear why turtles make so much noise during breeding. Some enthusiasts theorize that the sounds are the result of tensed neck muscles and heavier breathing due to physical exertion. Another idea is that the turtles are vocalizing to display dominance or to convince and woo the female to allow the male to finish.
The excitement of male turtles during mating may be due to the long wait they endure before reaching sexual maturity. Some species of tortoise can live for hundreds of years and take a long time to sexually mature compared to other animals. For example, the Galapagos tortoise does not develop reproductive organs until it is 15 years old, and it may wait another 10 to 25 years before being able to use them. The Aldabra giant tortoise, which can live over 250 years, does not reach sexual maturity until it is 20 to 30 years old.
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The noise may be due to tensed neck muscles and heavier breathing
It is true that turtles make a lot of noise during breeding. There are several theories as to why they make these sounds. One theory is that the noise is due to tensed neck muscles and heavier breathing caused by physical exertion. The act of mating is a strenuous activity, and this physical exertion may cause turtles to breathe more heavily and tense their neck muscles, resulting in the noises that are often heard during turtle sex.
Turtles are known to make peculiar barking noises during mating, as noted by sound designer Gary Rydstrom, who chose to use the sound of mating tortoises for the raptors in the 1993 film Jurassic Park. Rydstrom described these noises as "peculiar barks" and stated that tortoises can mate for hours, making these sounds the entire time.
The Galápago tortoise, for example, does not develop proper reproductive organs until it is 15 years old, and even then, it may be another 10 to 25 years before they are able to use them. This long wait could explain why turtles make such enthusiastic noises when they finally get to mate.
While the exact reason for the noise remains unclear, the theory of tensed neck muscles and heavier breathing due to physical exertion offers a plausible explanation. The sounds may also be a form of vocalization to display dominance or to convince the female to allow the male to finish the act of mating.
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The noise could also be a display of dominance or to convince the female
While turtles do make a lot of noise during breeding, the reasons behind these sounds are not entirely clear. One theory suggests that these noises could be a form of communication, with males displaying dominance or attempting to convince and woo the female.
Turtles may use vocalizations to assert their dominance over other males or to attract a potential mate. In the competitive world of turtle mating, where males often have to wait decades to reach sexual maturity, establishing dominance can be crucial for securing mating opportunities. By making aggressive or intimidating sounds, males may be signaling their strength and fitness to competitors.
Additionally, the noises could be a form of courtship display directed at the females. Male turtles might use vocalizations to attract the attention of females or to indicate their readiness and willingness to mate. These sounds could be a way for males to "woo" the females, similar to how humans use words to express affection or interest during courtship rituals.
The sounds produced by male turtles during sex could be the result of physiological factors as well. As turtles engage in the physical exertion of breeding, they may tense their neck muscles and breathe harder, leading to audible vocalizations. The act of mating, especially after long periods of waiting, could cause the turtles to make unintentional noises due to the intensity of their exertions.
It is worth noting that the sounds made by turtles during sex have even been used in popular culture. In the 1993 film "Jurassic Park," sound designer Gary Rydstrom chose to use the peculiar barking noises of mating tortoises to represent the raptors' communication. This choice, though somewhat embarrassing according to Rydstrom, showcases the unique and intense sounds that turtles make during their intimate moments.
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The raptor noises in the film Jurassic Park are actually mating tortoises
It may come as a surprise to many that the terrifying noises made by the velociraptors in the 1993 film Jurassic Park are actually the sounds of mating tortoises. The sound designer, Gary Rydstrom, revealed in interviews that he used mating tortoise noises for the raptors' communication. While some viewers have disputed this claim, stating that the sounds do not resemble those of tortoises, others have suggested that the original tortoise noises were altered with effects to change their pitch and tone.
Tortoises, which are a type of turtle, are known to make a variety of noises during mating. While the exact reason for these vocalizations is unclear, some enthusiasts theorize that it is due to the physical exertion involved, causing the turtles to tense their neck muscles and breathe harder. Another idea is that the noises are a form of display, indicating dominance or convincing the female to allow the male to continue.
Rydstrom experimented with various other animal sounds to create the raptors' voices, including horses breathing and geese hissing. However, he found that the tortoise mating noises were the most evocative and effectively captured the essence of the velociraptors' communication.
The use of tortoise mating sounds in Jurassic Park is just one example of how animal recordings were utilized to create the dinosaur noises in the film. For instance, it is believed that the T-Rex's roar was composed of a combination of elephant, whale, and lion sounds. Additionally, some of the high-pitched screeching noises made by the dinosaurs were recorded from dolphins.
The revelation that the raptor noises in Jurassic Park are derived from mating tortoises adds a fascinating layer to the film's sound design. It showcases the creativity and ingenuity of the sound designers, who were able to transform the sounds of nature into something truly memorable and iconic.
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Some tortoise species take a long time to reach sexual maturity
While mating, turtles make a lot of noise, although the reason for this is unclear. Some enthusiasts speculate that it is due to their tensed neck muscles and heavier breathing from physical exertion. Another theory is that they vocalize to display dominance or woo the female.
Regarding tortoise maturity, it is important to note that there is individual variation, and growth rates can be influenced by food availability, species-specific weight range, and environmental conditions. Some tortoise species take significantly longer to reach sexual maturity than others. For example, male Sulcata tortoises reach maturity between eight and fifteen years, while females attain it between ten and fifteen. Desert tortoises may take even longer, maturing between ten and twenty years. The Aldabra tortoise can take up to forty years to reach maturity.
The growth patterns of tortoises are not yet fully understood by scientists, and it is believed that they vary between species. For instance, desert tortoises from the Mojave Desert typically mature later than those from the Sonoran Desert due to harsher environmental conditions and limited food resources. Tortoises from the Sonoran Desert can reach sexual maturity more quickly, typically between twelve and fifteen years.
Russian tortoises, a small species, take a relatively long time to mature, reaching sexual maturity at around ten years. In contrast, Red-footed tortoises, which grow to a similar size as adults, mature faster, typically between eight and twelve years.
While some tortoises may take longer to reach sexual maturity, it is worth noting that they often continue to grow even after becoming sexually mature, exhibiting indeterminate growth. This means that they may continue growing throughout their lives as long as they have sufficient access to food.
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Frequently asked questions
Turtles make peculiar barking noises while breeding. Some enthusiasts theorize that these sounds are a result of tensed neck muscles and heavier breathing due to physical exertion. Others suggest that they vocalize to display dominance or to convince the female to mate.
Gary Rydstrom, the sound designer, wanted to create realistic sounds for the raptors in the film. He chose mating tortoise noises because they sound nothing like what people would typically associate with a tortoise, making the raptors seem more intimidating and foreign.
It is not known if turtles always make noises during sex, but it is clear that they often do. The sounds may be more noticeable due to the lengthy duration of the mating process, which can last for hours.






























