This undated photo released by the World Wildlife Fund shows a Bornean flat-headed frog, which has the rare characteristic of being an amphibian without lungs, and instead breathes entirely through its skin and is one of the recent discoveries in Borneo. (AP Photo/World Wildlife Fund, David Bickford, HO)
Exotic new animals discovered in Borneo

A lungless frog and a slug that shoots "love darts" are among the new species found since 2007