小行星撞击地球后使恐龙灭绝只有少数鸟类幸存下来
现代鸟类的祖先可能在小行星撞击中幸存下来。在研究化石植物和鸟类数据的基础上,这一新理论有助于解释鸟类是如何在地球上占据主导优势的。美国、英国和瑞典的研究人员研究了从北美洲到新西兰的化石记录,仔细观察了树木的木炭残骸、化石花粉和蕨类孢子以及鸟类化石。
How birds survived asteroid strike
125m year-old dinosaur dandruff sheds new light on evolution of birds
These were the only birds that survived the dinosaur-killing asteroid
These were the unlikely survivors after dinosaurs went extinct
Only a Handful of Birds Survived the Dinosaur Killing Asteroid—Now Scientists Have Worked Out Why
https://blog.sciencenet.cn/blog-39731-1115866.html
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