Orangutan use of vertical space in an innovative habitat

Abstract 10.1002/1098-2361(2000)19:43.3.CO;2-Z This study measured use of vertical space in an innovative habitat for three adolescent orangutans (Pongo pygmaeus). The indoor habitat was innovative in two main ways: a flooded floor and retractable skylights. It included four large molded trees and interwoven vines throughout 1,620 m3 of space. The exhibit was divided into four vertical […]

Considering the role of social dynamics and positional behavior in gestural communication research

While the hominin fossil record cannot inform us on either the presence or extent of social and cognitive abilities that may have paved the way for the emergence of language, studying non-vocal communication among our closest living relatives, the African apes, may provide valuable information about how language originated. Although much has been learned from […]