At last, there's an island that isn't Madagascar that's yielding a new species. Unfortunately, it's a rat. A giant, cat-sized, wooly rat.
Papua New Guinea's Mount Bosavi and its crater are home to all sorts of giant rats, which makes it a charming place in all sorts of ways. Bosavi, which hasn't ever seen much in terms of human visitation, promises to present all sorts of new and isolated species, including more giant rats, fish, bats, insects, and of course spiders.