How Avian Dinosaurs (Birds) Survived the Asteroid Impact that Killed Non-Avian Dinosaurs | GEO GIRL
Ever wonder why birds survived the asteroid impact at the KPg boundary, 66 million years ago, while the non-avian dinosaurs went extinct? In this video, I cover the major factors that allow avian dinosaurs, or birds, to survive the KPg mass extinction event over non-avian dinosaurs. Hope you enjoy! ;)
0:00 Why We Care
0.52 Non-Avian Dinos Went Extinct at KPg
1:19 But Avian Dinos (Birds) Survived…
2:09 Avian Extinctions Played a Role
4;04 Bird Advantage #1 (flight)
5:55 Bird Advantage #2 (size)
7:34 Bird Advantage #3 (niche)
8:55 Bird Advantage #4 (brooding)
9:44 Bird Advantage #5 (rapid reproduction)
10:02 Bird Advantage #6 (feathers)
11:57 Bird Advantage #7 (dino decline)
12:28 Bird Advantage #8 (brains)
13:40 Bird Advantage #9 (beaks)
14:40 How Birds Survived The KPg Extinction
References:
Longrich et al., 2011: https://doi.org/10.1073/pnas.1110395108
Feduccia, 2014: https://doi.org/10.1016/j.cretres.201...
Sakamoto et al. 2016: https://doi.org/10.1038/s41467-021-23...
Torres et al., 2021: https://doi.org/10.1126/sciadv.abg7099
Earth System History: https://amzn.to/3v1Iy0G
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