Australian populations of threatened bird species fall 60% in past 40 years, study says

The threatened bird index reveals largest declines were in Queensland and South Australia

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Australia’s populations of threatened and near-threatened bird species have declined by 60% on average in the past 40 years, according to new research.

The threatened bird index, which is produced by scientists working with the University of Queensland, reveals some of the largest declines were among species found in South Australia and Queensland.