Desmond Morris Quotes – The Human Zoo

“under normal conditions, in their natural habitats, wild animals do not mutilate themselves, masturbate, attack their offspring, develop stomach ulcers, become fetishists, suffer from obesity, form homosexual pair-bonds, or commit murder. Among human city dwellers, needless to say, all of these things occur.
. . . . . .
Other animals do behave in these ways [...]