A tiny 'ice mouse' with teeth the size of sand grains survived some of the coldest temperatures when dinosaurs roamed the Earth

Tech Insider
A painting of Ugrunaaluk kuukpikensis, a duck-billed dinosaur, with an insert of the tiny Sikuomys mikros, a shrew-like animal, that illustrates a scene from ancient Alaska during the Cretaceous Period.
Sikuomys mikros would have had to dodge much-larger dinosaurs when it foraged for food.

James Havens

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