Australian populations of threatened bird species halves in 30 years

Migratory shorebirds populations down by average of 70% from 1985 to 2015

Populations of threatened bird species in Australia halved in the past 30 years, according to a new national Threatened Bird Index.

The index is the first part of a large data consolidation project being undertaken by the Threatened Species Recovery Hub, along with the University of Queensland and Birdlife Australia.