Because theyre basturd
A pteranodon is a pterosaur, or a flying dinosaur. During the fall of the dinosaurs, all dinosaurs became extinct, including the pterosaurs.
no, some rhinos have become extinct, like the Vietnamese java rhino.........and also dinosaurs have become extinct, by the meteorites
Non avian dinosaurs became extinct 65.5 million years ago, at the end of the Cretaceous. However, birds are considered dinosaurs. Because birds still exist, dinosaurs are not completely extinct.
The same way as the rest of the dinosaurs.
yes, yes they did
Yes. They can make themselves become extinct
DINOSAURS.
The Dinosaurs.
B.CAnswer:Although the majority of dinosaurs died out about 70 million years ago, the present day birds are evolved from theropods and are direct descendants of the dinosaurs. In that manner dinosaurs have not become extinct.
The Dinosaurs,that's pretty obvious
around 6.5 billion years ago
When did dinosaurs become extinct ?