The Harpy Eagle (Harpia harpyja ... predator that glides across the forest like a stealth drone; despite its wingspan reaching up to 6.5 feet (2 meters). Still, it won’t fly long distances ...

This now-extinct raptor once ruled New Zealand’s South Island, weighing up to 18 kg and spanning nearly 3 metres in wingspan.

while other earlier pterosaurs had a more dainty 6.5 feet wide wingspan like a modern harpy eagle. Now, a newly discovered pterosaur species is helping explain this leap from a smaller to larger ...