These Winged Dinosaurs Hurtled Through the Trees like Haywire Hang Gliders – The New York Times

The creatures failed even the most generous models. Their pectoral muscles were too weak to achieve flapping flight. They could not sprint fast enough to launch themselves from the ground. They were poor turners. They could not even take off after running on an incline while furiously flapping their wings.
The only scenario left was a bumbling glide wherein the dinosaurs stretched out their arms like flying squirrels and jumped from tree to tree, clattering among the branches.
Dr. Xu, who led the…

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