From laboratory to more natural enclosures: Maintaining the well-being of captive chimpanzees (Pan troglodytes) (2002)

Howell, S., Schwant, M., Fritz, J. et al.

Abstract

Chimpanzee well-being, as expressed through species-typical behaviors, was maintained in the transfer from a laboratory to a more natural zoo environment. An increase in social and manipulative behaviors was noted in the more natural environment.