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![The skelton of a North American ground s The skelton of a North American ground s](https://www.bostonherald.com/wp-content/uploads/2024/03/GettyImages-102717642.jpg?w=132)
First-ever ancient sloth bone found in California’s Santa Cruz Mountains
A mysterious fossil kids found and brought to the Santa Cruz Museum of Natural History has shown scientists that massive ground sloths once roamed the region.