article_snippet.sent: ‘one of the tightest and most complicated social systems in the animal kingdom,’ according to renowned primatologist Frans de Waal.
article_snippet.sent: In captivity, this essential social fabric is ripped apart, and captivity individual needs and desires
article_snippet.sent: – such as seeking a mate, raising captivity young, and resolving territorial disputes – are completely thwarted.
article_snippet.sent: This viewpoint is shared by prominent experts and primatologists worldwide.'