Apes photographed having face-to-face sex in the wild.
Western gorillas (Gorilla gorilla ) copulating in the wild have only ever been seen facing the same way as each other, front to back. But in a forest clearing in the Nouabale-Ndoki National Park in the Republic of Congo, a female gorilla, Leah, and her groups’ dominant male silverback, George, have been photographed in the face-to face position.
This type of behaviour has only ever been seen in the wild in the bonobo (Pan paniscus ), as well as a single, brief, unphotographed observation in mountain gorillas (G. beringei ).
In captivity, gorillas often have sex face-to-face, but it is difficult to draw conclusions about ape behaviour from these a...