There are a lot of candidates to cutest rodent ever, specially in the squirrel or bunny departments To pick up something less common, I will say Pacarana, for

There are a lot of candidates to cutest rodent ever, specially in the squirrel or bunny departments To pick up something less common, I will say Pacarana, for example. A living relative to the largest ever known rodent (an extinct cow-sized pliocene species).