Why do koalas have such low-pitched vocalizations? Based on the animal's size, they should have higher vocalizations. The answer lies in an odd fold in their vocal chords.
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Why do koalas have such low-pitched vocalizations? Based on the animal's size, they should have higher vocalizations. The answer lies in an odd fold in their vocal chords.
This video shows the extra vocal folds in the throat of a koala, that gives it a deep-pitched voice. The male's "bellowing" vocalizations can also be heard, which are used to woo females during the mating season.