By the time they were 3 years old, ostrich-like dinosaurs called Limusaurus inextricabilis had lost all of their pointy teeth, and lived the rest of their lives as toothless beasts, a new study finds.
By the time they were 3 years old, ostrich-like dinosaurs called Limusaurus inextricabilis had lost all of their pointy teeth, and lived the rest of their lives as toothless beasts, a new study finds.