The long calls of wild male orangutans: a phylogenetic approach

Although several genetic, molecular, and morphological studies were carried out to clarify orangutan systematics, ongoing taxonomic controversies still exist. This project shows a new approach to orangutan phylogeny with focus on their long calls. Presented by numerous works, analyses on species-specific loud calls of primates can help to understand phylogenetic influences and to reconstruct taxonomy. Orangutan males produce long calls to regulate inter-male spacing and to attract mates.