The powerful venom of the Gila monster (Heloderma suspectum), which is featured as one of the live species in The Power of Poison, has medicinal capabilities as well: one of its components has been used to develop a diabetes drug.
The elaborate-ness and size of pterosaurs’ crest peaked in species that lived during the Late Cretaceous period—from about 100 to 66 million years ago, after which pterosaurs became extinct. Watch a video about pterosaur crests to learn more.
Friday’s pterosaur is Tupuxuara leonardii, which lived about 110 million years ago, in what is now northeastern Brazil.
Thursday’s pterosaur is Pteranodon longiceps, perhaps one of the most recognizable pterosaurs, which lived about 85 million years ago.