Alligators do make noises. The best way to describe these noises is a rumbling bellow or a deep growl, almost resembling an echo. Alligator’s may use these types of noises when they feel threatened or are acting aggressively to try and protect themselves or their young. If they feel that a human or predator is intruding upon their territory or if they get too close to a nest, the alligator may sound a growl or a bellow, as well as hiss and exhibit a number of aggressive behaviors to go along with the noise.
In addition to these types of noises made, alligators when they are young and ready to hatch, are known to emit a high pitched croaking noise that is often referred to or described as a “yerp”. This yerping sound stimulates the eggs of other hatchlings. In which case all hatchlings begin the yerping and it signals the mother alligator that they are ready to hatch. The mother alligator then quickly digs them out to help them hatch.
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