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Re: "Dinosaurs Died Within Hours After Asteroid Hit Earth..."
> And - they had FEATHERS, which turned out to be
> remarkably good insulation against cold - think of
> birds huddling together in a burrow, and you get an
> idea why they survived while the dinosaurs did not.
- most birds did die out;
- likewise, lots of mammals died out;
- while lizards were heavily culled and turtles didn't exactly sail through
unscathed, many of them survived, and crocodiles fared even better, so that
alone can't be it;
- most if not all small theropods of the time, not just birds, had feathers.