Dinosaurs that roamed the land that is now Denali National Park and Preserve traveled in multigenerational herds, suggesting that older animals took care of their young in a way that might have been similar to the how today's adult elephants mind their offspring, according to a new study published in the journal Geology.
The conclusion is based on thousands of fossilized hadrosaur tracks found over the past decade in the Cantwell formation, a fossil-rich geologic structure that bisects Denali. The tracks are of varying sizes, indicating four age groups -- very young animals, fast-growing juveniles, subadults and adu...
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