University of Tübingen study identifies most pleasant bird songs

Researchers at the University of Tübingen have conducted a study analyzing how the songs of 123 European bird species affect human perception and wellbeing. The study, which involved 84 participants, found that humans tend to prefer bird vocalizations characterized by high pitch, a narrow frequency range, and a specific level of complexity.

The European Blackbird (Turdus merula) was rated as the most pleasant singer, followed by species such as the Willow Warbler and Goldcrest. These melodies are perceived as calming, potentially due to evolutionary roots where bird activity signaled a safe, predator-free environment. Conversely, sounds described as dark, raspy, or noisy over wide frequency bands—such as those of the barn owl—were perceived as stressful or unpleasant.

Lead researcher Christoph Randler noted that these acoustic preferences can influence how humans experience nature, potentially increasing awareness of biodiversity even when the specific meaning of the birds' communication is not understood.