Sex. We all do it. Yet most of us think of animals as being mechanical in their sexual activities and uncaring about whom they mate with and how they get down to it. However, if these images are anything to go by, animal sex can be both gentle and caressing, as well as fierce and rough.
As with sex among humans, a myriad of forms abound in the animal kingdom. Here we take a look at ten mammals going at it while we talk about their mating habits. Is this voyeuristic? Only the way wildlife programs on TV are too!