Communication (2) Singing (2) Primates (2) Animals (2) Fauna (2) Comunicación (2) Animales (2) Animal (2) Communication (2) Chansons (2) Primates (2) Chant (2) Communication (2) Animaux (2) primate (2) Language (1) Pruning (1) Fiction (1) Prosimians (1) Temporal bone (1) Statutes (1) Singers (1) Signals and signaling (1) Set-off and counterclaim (1) Scientists (1) Public domain (1) Phylogeny (1) Perspective (1) Note-taking (1) Marginalia (1)