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  1. Australian wild zebra finches sing more with others around when breeding conditions are favorable. Their song also changes based on their breeding stage and it attracts other zebra finches. A possible explanation for this behavior is that birds try to influence each other's breeding behavior by singing, as found in research from Wageningen University & Research published in the journal Current Biology.

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  2. A team of researchers at the University of Western Australia, working with a colleague from the University of Exeter, has found that as female southern pied babblers grow older, they produce more offspring—even as they lose some of their cognitive abilities. In their study, published in the journal Proceedings of the Royal Society B, the group tested the cognitive abilities of the birds as they aged in the wild while also noting their reproduction levels.

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  3. Existing conservation efforts are insufficient to protect Antarctic ecosystems, and population declines are likely for 65% of the continent's plants and wildlife by the year 2100, according to a study by Jasmine Rachael Lee at the University of Queensland, Australia, and colleagues, published December 22 in the open access journal PLOS Biology. Implementing ten key threat management strategies—at an annual cost of 23 million U.S. dollars—would benefit up to 84% of terrestrial bird, mammal, and plant groups.

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  4. Collisions with glass windows on buildings, transportation shelters, noise barriers and fences are a major source of bird mortality. Public awareness of bird-window collisions has grown in recent years, thanks to surveys for dead birds beneath windows. However, as collisions events are difficult to observe directly, there are still major gaps in understanding how and why birds fly into windows, and what happens to the birds afterwards.

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  5. A new study found bird diversity increased in North Carolina mountain forest areas severely burned by wildfire in 2016, reinforcing that while wildfire can pose risks to safety and property, it can be beneficial to wildlife. The study results could help forest managers better predict bird responses to wildfire, and manage forests to benefit birds.

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