The effects of human visitors on the behaviour and welfare of zoo-housed primates have
been extensively studied, and we know more about these effects in primates than in any …

Animal welfare research has increased dramatically in scope and prevalence, spanning
zoos, aquariums, sanctuaries, and research facilities. Chimpanzees are the most common …

Visitors are a prominent feature of the zoo environment and lives of zoo animals. The COVID-
19 pandemic led to repeated and extended closure periods for zoos worldwide. This unique …

We used the COVID-19 pandemic closure at the Saint Louis Zoo to examine visitor effects
on space use and glucocorticoid levels in banteng, grizzly bears, polar bears, and western …

Human-animal relationships (HARs) and interactions strongly influence animal welfare.
Thus, advocating for positive HAR is essential for maintaining positive physical and mental …

Zoos and aquariums are cultural institutions that rely on a steady stream of paying visitors,
whose patronage comes in the form of admission fees or product sales, for their financial …

Primatological research in zoos is increasing globally. Such research allows scientists to
study primate biology, behavior, and cognition while helping to advance the welfare of …

Overexpression of abnormal behavior among captive primates indicates poor management
practices. The type, frequency, and contributing factors of abnormal behaviors vary highly …

The welfare of zoo animals has come under increasing scrutiny, yet the effects of visitors on
captive species, particularly in relation to environmental factors and individual variability …

Due to the curiosity and interest humans show towards great apes such as chimpanzees
(Pan troglodytes), we can find large numbers of captive chimpanzees all over the world …