The No. 2 area of interest, in both dancers and birds of paradise, is the posterior.

WSJ: Of Feathers, Showgirls and Biology

Birds of paradise, cassowaries and a variety of other birds can be seen by day, while at night you can search for tree-kangaroos (yes, some kinds of kangaroo live in trees).

BBC: Watching Australia's wildlife

At rustic riverfront accommodations like Ambunti Lodge, knowledgeable guides escort early-morning birding expeditions to spot indigenous hornbills, Papuan harriers, Victoria crown pigeons and various birds of paradise in the leafy jungle overhang.

BBC: Papua��s got a brand new bag