The Age: Australia has lost 27 bird species since European settlement, and another 20 are considered at ''imminent risk of extinction'', according to a global report on the health of the world's birdlife. Compiled by BirdLife International, the report lists habitat loss, agricultural expansion, climate change and pollution as among the main threats. Released on Thursday in Canada, the State of the World's Birds report estimates that 1313 of the globe's 10,000-plus bird species are threatened. BirdLife International...