They did not realize that the hippopotamus is in fact a strict vegetarian. The strength of maternal feeling in animals was demonstrated vividly in 1958, when a mother baboon lost her baby to illness. She howled and clutched the little body, letting nobody get near, and bit one of the keepers when he tried to take the corpse.
民國四十七年，一隻小狒狒病死，母狒狒悲啼了好久，抱著小狒狒不准人收屍，有個工作人員大膽接近，被母狒狒咬傷，讓人對動物的母子情深印象深刻。