The author reviews improvements in the behavioral management of a colony of captive chimpanzees at the Southwest Foundation for Biomedical Research. Environmental enrichment techniques, such as ...

Structural enrichment can be used to open up the vertical ... Conversely, vertical movement is vital to primates, as they may flee upwards when they perceive a threat. They show a distinct ...

Based on our findings, we have fine-tuned our enrichment programme for these species, and activity rates, as well as the general health of the animals, have improved accordingly. No data are included ...

Structural' enrichment tools are larger, more permanent additions to the caging unit that can provide nonhuman primates with a more interactive environment; such devices can help subdivide the ...