My 25 years of palaeoart chronology...
Flight evolved independently in Dromaeosauridae, Archaeopterygidae, Anchiornithidae, Scansoriopterygidae, and whatever Rahonavis is. Here's Yi qi from DINOSAUR BEHAVIOUR, by Prof Michael Benton (published by Princeton University Press).
#SciArt #SciComm #PaleoArt #PalaeoArt #Dinosaurs #Microraptor #Rahonavis #Archaeopteryx #Anchiornis #YiQi #Raptors #Velociraptor #JurassicPark #JurassicWorld #CampCretaceous #WildlifeArt