I think current think is that most therapods had at least some feathers [1]. Not sure about the dinosaurs that walked on all fours though. [1] https://en.wikip

I think current think is that most therapods had at least some feathers [1]. Not sure about the dinosaurs that walked on all fours though. [1] https://en.wikipedia.org/wiki/Theropoda#Skin,_scales_and_feathers https://en.wikipedia.org/wiki/Theropoda#Skin,_scales_and_fea...