Recent research highlights that several species of Latin American monkeys produce calls that include voice breaks, resembling human yodeling. These calls are termed "ultra-yodels" and showcase a much broader frequency range compared to human yodeling. Yodeling, a vocal technique with a rich history since Marco Polo's travels, involves pitch shifts facilitated by the unique human vocal anatomy. The study positions monkey calls as a potential parallel, providing insight into the evolution of vocal communication in both humans and animals.
Voice breaks in the calls of various Latin American monkeys acoustically resemble human yodeling, featuring "ultra-yodels" that span a significantly wider frequency range.
Humans have a long history with yodeling, used initially for long-distance communication, but it's fascinating to discover this vocal style mirrored in monkey calls.
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