Around 120 million years ago, a bird swallowed over 800 tiny stones and choked to death as a result. Paleontologists aren’t sure why.
Like many recent fossil “discoveries,” researchers with the Field Museum were browsing…

Around 120 million years ago, a bird swallowed over 800 tiny stones and choked to death as a result. Paleontologists aren’t sure why.
Like many recent fossil “discoveries,” researchers with the Field Museum were browsing…