Learned vocal and breathing behavior in an enculturated gorilla

Vocal Learning in the Functionally Referential Food Grunts of Chimpanzees

(2015) Stuart K. Watson et al.   CURRENT BIOLOGY

The origin of human multi-modal communication

(2014) S. C. Levinson et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Western Gorilla Vocal Repertoire and Contextual Use of Vocalizations

(2013) Roberta Salmi et al.   ETHOLOGY

Chimpanzee Alarm Call Production Meets Key Criteria for Intentionality

(2013) Anne Marijke Schel et al.   PLoS One

Wild Chimpanzees Inform Ignorant Group Members of Danger

(2011) Catherine Crockford et al.   CURRENT BIOLOGY

Chimpanzee Vocal Signaling Points to a Multimodal Origin of Human Language

(2011) Jared P. Taglialatela et al.   PLoS One

Two organizing principles of vocal production: Implications for nonhuman and human primates

(2010) Michael J. Owren et al.   AMERICAN JOURNAL OF PRIMATOLOGY

Vocal greeting behaviour in wild chimpanzee females

(2010) Marion N.C. Laporte et al.   ANIMAL BEHAVIOUR

Multimodal communication by captive chimpanzees (Pan troglodytes)

(2009) David A. Leavens et al.   ANIMAL COGNITION

A case of spontaneous acquisition of a human sound by an orangutan

(2008) Serge A. Wich et al.   PRIMATES