When they find out how hard their animals are to keep or grow tired of them, many owners drop them off at the zoo or the university, and many set them free to fend for themselves.
由於地方不夠，他們曾把別人送來的台灣獼猴安置在猴島，結果老是被其他猴子痛打。「我們也常常因為拒收而挨罵」，陳建志覺得動物園很冤枉。有的動物則被主人「放生」，自求多福去了。