Sands of Gobi Desert yield new species of nut-cracking dinosaur

Plants or meat – that’s about all that fossils ever tell palaeontologists about a dinosaur’s diet. However, the skull characteristics of a new species of parrot-beaked dinosaur and its associated gizzard stones indicate that the animal fed on nuts and/or seeds. These characteristics present the first solid evidence of nut-eating in any dinosaur.

psittacosaurus
Artistic rendering of a newly discovered species of parrot-beaked dinosaur, Psittacosaurus gobiensis. Scientists first discovered psittacosaurs in the Gobi Desert in 1922, calling them “parrot-beaked” for their resemblance to parrots. Psittacosaurs evolved their strong-jawed, nut-eating habits 60 million years before the earliest parrot. Art Credit: Todd Marshall


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