Behavioral research as physical enrichment for captive chimpanzees

Daily travel distances of zoo-housed chimpanzees and gorillas: implications for welfare assessments and space requirements

(2016) Stephen R. Ross et al.   PRIMATES

Captive chimpanzee foraging in a social setting: a test of problem solving, flexibility, and spatial discounting

(2015) Lydia M. Hopper et al.   PeerJ

Assessing inactivity in zoo gorillas using keeper ratings and behavioral data

(2012) Elena Hoellein Less et al.   APPLIED ANIMAL BEHAVIOUR SCIENCE

Hypertension Increases With Aging and Obesity in Chimpanzees (Pan troglodytes)

(2012) John J. Ely et al.   ZOO BIOLOGY

Assessing the effects of cognitive experiments on the welfare of captive chimpanzees (Pan troglodytes) by direct comparison of activity budget between wild and captive chimpanzees

(2011) Yumi Yamanashi et al.   AMERICAN JOURNAL OF PRIMATOLOGY

Great ape cognition and captive care: Can cognitive challenges enhance well-being?

(2011) Fay E. Clark   APPLIED ANIMAL BEHAVIOUR SCIENCE

Transfer and Acclimatization Effects on the Behavior of Two Species of African Great Ape (Pan troglodytes and Gorilla gorilla gorilla) Moved to a Novel and Naturalistic Zoo Environment

(2010) Stephen R. Ross et al.   INTERNATIONAL JOURNAL OF PRIMATOLOGY

Sex differences in the movement patterns of free-ranging chimpanzees (Pan troglodytes schweinfurthii): foraging and border checking

(2009) Lucy A. Bates et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY