Mass extinction | Science & Astronomy

Effects of captivity on animals are well-documented, with investigations revealing a wide range of stress-induced behaviours, such as pacing, fur-plucking and self-harm – symptoms of a condition known as zoochosis. Despite zoos being marketed as being essential for conservation, most animals in captivity are not endangered and only a tiny percentage of zoo-bred animals are successfully released into the wild. It’s estimated that less than three per cent of a zoo’s budget goes towards meaningful