The Glossy Black-Cockatoo (Calyptorhynchus lathami) is the smallest and least conspicuous of Australia's five black cockatoo species — and arguably the most charming. Where Yellow-tailed and Red-tailed Black-Cockatoos announce themselves with raucous calls and drama, the Glossy is almost secretive, moving quietly through casuarina woodland and feeding with a focused patience that lets skilled observers get quite close.
Males are a deep, glossy brown-black with vivid red tail panels; females are mottled brown with yellow-orange speckling on the head and neck, making them surprisingly cryptic in dappled woodland light. Both sexes feed almost exclusively on seeds of sheoak (Allocasuarina and Casuarina species), extracting them from woody cones with powerful, precisely applied bill force.
This dietary specialisation makes Glossy Black-Cockatoos highly sensitive to habitat condition. They require mature, seed-producing sheoaks and are absent from landscapes where sheoak has been cleared or where hollow-bearing trees have been removed. The species is recovering in some areas through targeted revegetation programs.
In southeastern Australia, East Gippsland's coastal heathlands and Kangaroo Island in South Australia hold important populations. The Kangaroo Island subspecies (C. l. halmaturinus) is listed as Endangered following the catastrophic 2019–20 fires that burned much of its habitat.
Best places to see the Glossy Black-Cockatoo
Mallacoota / East Gippsland coastal heath
VICSmall but reliable population in coastal heathland around Mallacoota Inlet. Best searched in sheoak stands near the inlet foreshore.
Kangaroo Island
SAThe endemic subspecies halmaturinus is critically threatened but can be found in the island's surviving sheoak woodlands.
Capertee Valley
NSWThe Capertee Valley supports an important population. Look in Allocasuarina woodland on the valley floor.
Blue Mountains, lower slopes
NSWSheoak-lined creek gullies below the escarpment. Occasional sightings near Blackheath and Katoomba.
Key facts
Feeds almost exclusively on seeds of sheoak (Allocasuarina / Casuarina) — one of the most specialised diets of any Australian parrot
Nests in hollows of large eucalypts — needs trees over 100 years old
The Kangaroo Island subspecies is listed as Endangered — an estimated 370 birds remain after the 2019–20 fires
Male and female plumage is strikingly different (pronounced sexual dimorphism)
Flocks are usually small (5–30 birds), quiet, and easy to miss unless you know what to look for