From Scientific American:
Mammals new to science have been emerging in Southeast Asia of late: three new species of deer found in the forests of Vietnam in the 1990s; a long-whiskered rat representing a previously unknown family of mammals discovered at a hunter’s market in Laos and revealed in May; and now a cat-size creature with orange fur and a long, strong tail has been photographed in Indonesia. A camera trap set in the mountains of Kayan Mentarang National Park in Borneo snapped two images of the mysterious creature as it trundled through the rain forest in 2003.
More here.