The dwarf cassowary, also known as Bennett's cassowary, little cassowary, mountain cassowary or muruk, is the smallest of the three extant species of cassowaries.

The northern cassowary, also known as the one-wattled cassowary, single-wattled cassowary, or golden-necked cassowary, is a large, stocky flightless bird of northern New Guinea. It is one of the three living species of cassowary, alongside the dwarf cassowary and the southern cassowary. It is a member of the superorder Paleognathae.