First of all, the Doedicurus is an ancient ancestor of modern armadillos, like the Glyptodon.
Second, in real life, it was quite fast for its size, running at about a good 35 mph ( ARK, start researching properly)!
Third, whoever said that they gather stone yet they CANNOT break stone structures, even I’m puzzled on that one (again ARK, follow common sense!). Thank you for mentioning that🧐!
Finding this animal can be extremely difficult especially on official servers if you don't have a flyer yet. It's less rare near mountains and metal spawns. One of the most easy places to find one on the Island, is in the middle of redwood.
For some reason on the island, there is always one lonely doedic at the edge of the forest(not redwoods) and the snow biome. I feel so bad for it because the only other dinos are sabers, scorpions, argies, raptors, rexes, and allos( all which try to eat it at the same time)