This 2019 video says about itself:
Avialae. The evolution of birds.
Sapeornis chaoyangensis is a fossil bird, from the early cretaceous period in China, somewhat later than Archaeopteryx in Germany.
Eoconfuciusornis, a primitive confuciusornithid bird from China: here.
Life history of a basal bird: morphometrics of the Early Cretaceous Confuciusornis: here.
Dinosaur and bird genomes: here.
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