Dearc sgiathanach had an estimated wingspan of between 1.9 and 3.8 m (6.2-12.5 feet), roughly the size of the largest flying birds today (e.g., wandering albatross). An artist’s impression of the Middle Jurassic pterosaur Dearc sgiathanach. Image credit: Natalia Jagielska. Pterosaurs were the first vertebrates to evolve flight and include the largest flying animals in Earth history. While some of the last-surviving species were the size of airplanes,...
