![]() Listing of the birds will mean developments likely to trigger a significant impact on the species must be assessed under national laws. The Gang-gang Cockatoo is the emblem of the Byles Creek Valley Union Inc which was started in the 1980s by Ms Robyn Smith to fight development in the wildlife corridor. 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. The bushfires affected 36% of the birds’ range, leading to an estimated further drop in numbers of 21%. ![]() Gang-gangs lay from I-3 eggs, which are incubated for about 30 days. The scientific committee wrote in draft advice last year that gang-gang populations had already declined by between 15% and 69% before the fires. The biggest threat to the cockatoos in the Blue Mountains is most likely to be competition for nest hollows, particularly with sulphur crested cockatoos, whose numbers have increased so alarmingly. 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. 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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