Vocal Repertoire of the Ucayali Bald Uakari (Cacajao ucayalii)

Abstract All primate species produce vocalizations for complex communication, conveying a wide range of information, regulating social interactions, coordinating activities, and serving as antipredator strategies. Together, these vocalizations form a species' vocal repertoire. However, despite their widespread presence and ecological significance, the vocal repertoires of less than 15% of primate taxa have been documented to date. The purpose of this study was to quantitatively characterize the