<human>: Is there any information available about the pterosaurs?
<bot>: Yes, there is a lot of information available about pterosaurs. They are an extinct group of flying reptiles that lived during the Mesozoic Era. Pterosaurs were among the most successful and diverse animals of their time, with over 200 species identified. Many species were large, with wingspans up to 10 meters in length. They had long, toothless beaks for snatching prey, and some species even had crests or horns on their heads.