The gang-gang cockatoo: A grey parrot with a fiery crest and a creaky call

Nature · Published 3 October 2026 Swipe more like this →

In short: Found in the cool, wet forests of south-eastern Australia, the gang-gang cockatoo is a unique parrot known for its distinctive, gate-like call. While males sport a brilliant red head and crest, females remain a subtle, scalloped grey. This social bird faces significant threats from habitat loss and recent environmental disasters.

The gang-gang cockatoo, Callocephalon fimbriatum, is the sole member of its genus. Its name, likely onomatopoeic, originates from an Aboriginal language in New South Wales. First illustrated by James Grant in 1803, the species has long puzzled scientists due to its unusual appearance. While early theories linked it to black cockatoos, modern molecular research places it within the Cacatuinae clade, suggesting it diverged from the palm cockatoo. The bird is physically distinct, measuring 32–37 cm in length and weighing between 230 and 334 grams.

Unlike many other cockatoos, gang-gangs are monogamous and exhibit unique nesting habits. They prefer to excavate cavities in solid, younger trees rather than relying solely on ancient hollows, often choosing sites near water. During the breeding season, which spans from spring to summer, pairs produce 2–3 white eggs. Both parents share the responsibility of incubation, which lasts four weeks, and the subsequent care of their young. They are primarily canopy dwellers, feeding on the buds and flowers of eucalypts.

The species is currently facing a precarious future. Habitat loss due to land clearing has caused a significant population decline, leading to its status as a vulnerable species in New South Wales. The situation worsened during the 2019–20 Australian bushfire season, which impacted roughly 28 to 36 percent of their distribution. Data from July 2021 indicates a population drop of approximately 69 percent over the previous 21 years. Consequently, the species is now set to be listed as endangered under Australian federal law, reflecting the urgent need for habitat protection.

Conservation efforts are now legally stringent. Under the Biodiversity Conservation Act 2016, damaging the habitat of this vulnerable species is considered a Tier 1 criminal offence for individuals and corporations. This legal framework defines habitat broadly, covering areas periodically or occasionally occupied by the birds. By protecting these forests and woodlands, authorities hope to reverse the downward trend for this iconic faunal emblem of the Australian Capital Territory, ensuring the survival of a bird that has already vanished from its former range on King Island.

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