They flew with their fingers. They walked on their wings. Some were gigantic, while others could fit in the palm of your hand. Millions of years ago, the skies were ruled by pterosaurs — the first vertebrates to achieve flight.

Not dinosaurs, birds or bats, pterosaurs were flying reptiles that lived in the world of dinosaurs 220 to 66 million years ago. This exhibit from the American Museum of Natural History, New York, showcases rare fossils, life-size models and activities that bring pterosaurs to life.

Exhibit open through August 12, 2018.