The Naked Ape: A Zoologist's Study of the Human Animal (Hardback: ISBN 0-07-043174-4; Reprint: ISBN 0-385-33430-3) is a 1967 book by zoologist and ethologist Desmond Morris that looks at humans as a species and compares them to other animals. The Human Zoo, a follow-up book by Morris that examined the behaviour of people in cities, was published in 1969.