Effect of partial covering of the visitor viewing area window on positioning and orientation of zoo orangutans: A preference test

Hediger Revisited: How Do Zoo Animals See Us?

(2013) Geoff Hosey   JOURNAL OF APPLIED ANIMAL WELFARE SCIENCE

Visitor effects on zoo orangutans in two novel, naturalistic enclosures

(2011) Yuanting Choo et al.   APPLIED ANIMAL BEHAVIOUR SCIENCE

Visitor Effects on the Behavior of Captive Western Lowland Gorillas: The Importance of Individual Differences in Examining Welfare

(2011) Tara S. Stoinski et al.   ZOO BIOLOGY

Space use selectivity by chimpanzees and gorillas in an indoor-outdoor enclosure

(2010) S.R. Ross et al.   AMERICAN JOURNAL OF PRIMATOLOGY

Space use as an indicator of enclosure appropriateness: A novel measure of captive animal welfare

(2009) Stephen R. Ross et al.   APPLIED ANIMAL BEHAVIOUR SCIENCE

Visitor effects on anxiety in two captive groups of western lowland gorillas

(2008) Gemma Carder et al.   APPLIED ANIMAL BEHAVIOUR SCIENCE

Group differences in captive gorillas’ reaction to large crowds

(2007) Christopher W. Kuhar   APPLIED ANIMAL BEHAVIOUR SCIENCE