Why were birds the only dinosaurs to survive the mass extinction?
‘Bird brain’ may not be such an insult after all. Avian dinosaurs’ intelligence and small size may have given them the edge in the prehistoric post-apocalyptic landscape.
23rd April 2018
The asteroid that caused the extinction event at the end of the Cretaceous period struck Earth with 60,000 times the energy of the world’s entire nuclear arsenal. The atmosphere would have glowed red hot for several hours and all the large dinosaurs that couldn’t burrow underground or hide underwater were immediately roasted.
http://www.sciencefocus.com/article/nature/why-were-birds-only-dinosaurs-survive-mass-extinction
