Papua New Guinea (PNG) is a megadiverse country home to more than 5% of the world’s biodiversity, including charismatic tree kangaroos, egg-laying echidnas and flightless cassowaries.

The bird in question? Casuarius casuarius, the southern cassowary, fruit-eater-in-chief of Australia’s rain forests. Cassowaries are large, flightless birds related to emus and (more distantly ...

The dark shape moving through the water was a cassowary, a large flightless bird native to northeastern Australia known for its territorial and "dangerous" behavior, per the Department of ...