This pterodactyl was so big it couldn't fly, scientist claims

Bad news dragon riders: Your dragon can't take off. A new analysis of the largest of pterodactyls suggests they were too big and their muscles too weak to vault into the air and fly. Instead, they were right at the upper limit of animal flight and needed a hill or stiff breeze so they could soar like hang gliders.

Were there any other flying dinosaurs besides the Pterodactyl? - Quora

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