(Casuarius casuarius johnsonii) Southern CassowaryPhoto © Tyrone Lavery The southern cassowary, also known as the double-wattled cassowary (family Casuariidae), is native to the tropical forests of New Guinea, nearby islands and north-eastern Australia. The name cassowary comes from the Malay name kesuari. The cassowary is the largest fruit-eating bird in the world. The cassowary forms …