The 19th-century zoos originate from the need for scientific study and public recreation. Darwin sees the first orangutan in London zoo, where he might have thought for the first time: family? The zoos in his time are structured according to taxonomic families, so it is understandable that the term "family house" is first used for animal enclosures: ape house, mammal house.
Recognition and encounter at the monkey rock. Crocodile and human, apathetically lounging in the reptile house. People love to watch animals and like to speak of their good bond with animals. And everybody has his own favorite animal.