My Favorite Marsupial

Don't mistake that sleepy expression for laziness. He's probably been up all night.

"With absolute precision, details of the wombat's sex life were recorded and, surprisingly, it seemed anything but modest," he says.

"It appeared to be a physically demanding process, complete with chasing, biting, grunting and loads of heavy breathing."

...

Mr Marks says he hopes his study will solve the sloth-like image problem of the common wombat, making the furry marsupials "the symbol of Australian male sexual virility".

Secret sex life of wombats.