2019年12月5日 - EN

Record-size sex chromosome found in two bird species National Park Service scientists: Does aircraft noise make birds more vocal? Bird evolution unique in seeing shrinking testes Australia's threatened birds declined by 59% over the past 30 years Red tide is back in Florida and rare egrets are at risk Zebra finches survive Australian heatwaves by predicting high temperatures Young tree swallows carry environmental stress into adulthood New evolutionary insights into the early development of songbirds Researchers show how feathers propel birds through air and history Puffins stay cool thanks to their large beak How weather radar can keep tabs on the elusive magpie goose How one man changed a Christmas tradition forever - to save birds Lost US parrot species went extinct not once but twice Survival by Degrees: 389 Bird Species on the Brink North American Birds Are Shrinking, Likely a Result of the Warming Climate