👉 Pteropus is a genus of pterosaurs, which are flightless birds with wingspans up to 7 feet (2.1 meters) long and legs that can be as long as 8 feet (2.4 meters). Pterosaurs were one of the most iconic groups of dinosaurs, known for their large, muscular wings and incredible strength. They lived in a variety of environments including forests, grasslands, and deserts, and are considered to have been the first birds