95 million-year-old Spinosaurus had a scimitar-shaped head crest and waded through the Sahara's rivers like a 'hell heron'

An illustration shows Spinosaurus mirabilis standing along a river's edge over its prey some 95 million years ago. Researchers have identified a new Spinosaurus species with a blade-like crest in Niger, changing our understanding of dinosaur evolution and behavior.

Researchers have identified a new Spinosaurus species with a blade-like crest in Niger, changing our understanding of dinosaur evolution and behavior.