First tame, then keep around for nostalgia. Unless it’s a robot one, then make million of babies for infinite metal, oil, electronics, and element dust.

To Tame a Parasaurolophus, you need to use trans arrows, darts, Wooden Club, and fists. Then, use berries or crops to tame it.

a tranquilizer arrows and tranquilizers darts and a crossbow or bow

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