Elephants also have their own language as humans

American scientists believe they have successfully deciphered the roars of elephants that human ears cannot hear.

A baby elephant has just been born at San Diego Zoo.This is the African elephant in the elephant herd, which is being studied by scientists to decode the language.

To study the sounds of frequencies below the level of human headsets, scientists at the San Diego Zoo (USA) attach a headset and a GPS tracking system to eight female elephants in the zoo. These devices help scientists connect between the sounds that female elephants are emitting and what they want.

The team recorded the sound of female elephants for 24 hours a week and lasted for 10 weeks. Besides, they also recorded data from GPS observation system.

After analyzing the data collected, the scientists discovered that female elephants preparing to give birth often produce a loud roar to call for help from the herd. Elephants often protect newborn babies from predatory enemies by standing round it.

In addition, the sounds with frequencies below the level of human headsets are also used by female elephants to invite their partners when they reach the male period. These sounds are only released for a few seconds, but they can be heard by male elephants more than 3 km away in the Savannah region.

Researchers found that elephants communicate on a low frequency as soon as they are about to give birth.

In this study, scientists also discovered elephants using different frequencies of roaring emitted to communicate with other members in the herd. Dr. Anderson, the head of the study, said: "We think elephants have a language and we are trying to clarify it."

The doctor said that the information obtained from this study could help the zoo create a more favorable environment for female elephants during the breeding season. In the future, they plan to build a sound library with different frequencies of elephants with their respective gestures.