Shhhh! Some plant-eating dinos snacked on crunchy critters

Crustacean shells discovered in fossilized poop reveal diet secrets of ancient herbivores

Gryposaurus monumentensis

PROTEIN BOOST  Hadrosaurs like Gryposaurus monumentensis (illustrated) may have supplemented their veggie diets with meaty treats, roughly 75-million-year-old fossilized poop reveals.

© Victor O. Leshyk

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