Southern Cassowary

01 · Identification

How to tell it apart

The Southern Cassowary is a massive, flightless bird standing up to 180 centimetres tall, characterized by coarse, hair-like black plumage. Adults possess a vivid blue head and neck, a vibrant red cape on the hindneck, and two distinct red wattles hanging from the throat. A tall, brownish, helmet-like casque sits atop the head. While both sexes appear similar, females are noticeably larger and more brightly colored, with taller casques and heavier bills. Thick, grey legs end in powerful three-toed feet, featuring a lethal, dagger-like claw on the inner toe. Juveniles are distinct, possessing pale brown plumage with dark longitudinal stripes. The voice consists of deep, vibrating booms and low-frequency rumbles that can be felt through the ground, often carrying long distances through thick scrub. They also produce hisses and bellows when threatened, while chicks use high-pitched whistles to maintain contact. Primarily a solitary and shy ground-dweller, the cassowary forages the forest floor for fallen fruits, playing a critical ecological role as a seed disperser. Its diet is occasionally supplemented by fungi, insects, and small vertebrates. While usually elusive, it is highly protective of its space; if cornered or defending young, it can deliver forceful jumping kicks. Uniquely, the male performs all incubation and chick-rearing duties. In Australia, this species is restricted to the tropical rainforests of northeastern Queensland, ranging from the Cape York Peninsula to the Wet Tropics. While preferring dense forest below 1,100 metres, it occasionally utilizes adjacent mangroves, melaleuca swamps, and agricultural edges. The Emu is the only other Australian bird of similar size, but it is easily distinguished by its shaggy grey-brown plumage, lack of a casque or wattles, and preference for open woodlands and plains rather than dense rainforest.

Description · BirdUp · CC BY-SA 4.0

1. 01

   Prominent, blade-like brown casque on crown

   A large, helmet-like growth atop the head.

2. 02

   Brilliant bare blue skin on face and upper neck

   Vivid blue skin on the unfeathered head and upper neck, sharply contrasting with red wattles.

3. 03

   Two bright red, fleshy wattles hanging from throat

   Prominent pendulous flaps of vibrant red skin.

4. 04

   Coarse, drooping, hair-like black body plumage

   Dense, coarse, and almost hair-like black body plumage.