Bird calls mostly use 8 musical scales
A recent scientific study reveals that all bird species rely on eight basic sound patterns. Variations of these rhythms form the vocal language that birds use in their courtship. Researchers found that all chirping, analyzed from over 116,000 recordings of 3,160 bird species, belong to these eight patterns, with their usage varying depending on the environment in which the birds live. For example, the rainforest environment is distinguished by its whistling, while in temperate regions, fast chirping is used for communication and mating. The study confirmed that these vocal patterns have been present in the common ancestor of birds for over 50 million years and gradually evolved to suit different environmental conditions.
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