![]() ![]() Listing of the birds will mean developments likely to trigger a significant impact on the species must be assessed under national laws. Cockatoo species also make a characteristic hissing sound when threatened. Most of the large cockatoo types have a larger lifespan, and the shorter ones have a shorter lifespan. In addition to vocalisations, palm cockatoos communicate over large distances by drumming on a dead branch with a stick. Generally, cockatoos live for almost 40-70 years. That decline was expected to continue because increased heatwaves and fire frequency as a result of the climate emergency were increasing pressure on the species across its range, with bushfires likely to reduce the amount of nesting habitat available to the birds. Some, like the gang-gang cockatoo, are comparatively quiet but do have softer growling calls when feeding. Population size: 17600-35200, 25300 mature individuals Population trend: decreasing Extent of occurrence (breeding/resident): 401,000 km 2 Country endemic: yes Attributes Realm - Oceanic IUCN Ecosystem - Terrestrial biome Recommended citation BirdLife International (2024) Species factsheet: Callocephalon fimbriatum. The bushfires affected 36% of the birds’ range, leading to an estimated further drop in numbers of 21%. ![]() The scientific committee wrote in draft advice last year that gang-gang populations had already declined by between 15% and 69% before the fires. A cockatoo seldom reaches sexual maturity and enters adulthood until 3-4 years old. As cockatoos have a long lifespan, they mature slower than some animals. At this stage, the cockatoo will be weaned and know the basics of flight. The narrative of a voyage of discovery, performed in His Majesty's Vessel the Lady Nelson, of sixty tons burthen, with sliding keels, in the years 1800, 1801, and 1802, to New South Wales, pl.opp.p.135. Most cockatoos bought from a breeder or pet store will be around 4 months old. The bird is one of several plants and animals that required assessment after the 2019-20 bushfire disaster a number of other species are also expected to be added to the threatened list. Callocephalon fimbriatum (Grant, 1803) PROTONYM:Psittacus fimbriatus Grant, 1803. They are a common sight in Canberra, where they are often found in back yards in the inner suburbs and in nearby bushland reserves. The adult males are known for their distinctive red facial feathers. ![]() Gang-gangs are small, grey cockatoos found throughout south-eastern Australia. ![]()
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