Smaller than the dingo, and perhaps a subspecies, but perhaps not since scientists are undecided, the New Guinea Singing Dog has a unique howl. The howl has been likened to the song of a Humpback whale or a bird’s call.
Another interesting fact is that their eyes reflect bright green at night.
This video gives a good look at the NGSD and discusses some issues.
Until this week, I'd never heard of these dogs. Had you?