iled ▁rat ▁( B . ▁dent atus ) ▁is ▁distinct . ▁But ▁B . ▁gr anti ▁is ▁basically ▁similar ▁to ▁B . ▁u rag on . ▁B . ▁u rag on ▁diff ers ▁from ▁B . ▁gr anti ▁in ▁slightly ▁larger ▁body , ▁longer ▁legs , ▁but ▁shorter ▁tail , ▁and ▁larger ▁sk ull . ▁M ales ▁are ▁larger ▁than ▁females . ▁M ales ▁measure ▁ 1 9 . 8 3   cm ▁in ▁length , ▁while ▁females ▁are ▁ 1 8 . 8 2   cm , ▁a ▁cent imet re ▁smaller . ▁This ▁sexual ▁dim orphism ▁is ▁almost ▁absent ▁in ▁B . ▁gr anti , ▁as ▁both ▁males ▁and ▁females ▁are ▁about ▁ 1 9   cm ▁long . ▁The ▁tail ▁length ▁is ▁ 1 4 . 4   cm ▁in ▁males , ▁and ▁ 1 4 . 1 6   cm ▁in ▁females . ▁The ▁total ▁body ▁weight ▁is ▁ 1 7 8 ▁g ▁for ▁males , ▁and ▁ 1 7 7 ▁g ▁for ▁females . ▁K ary ot ype ▁shows ▁that ▁it ▁has ▁ 5 2 ▁chrom os om es ▁( h ap lo id , ▁n = 2 6 ). ▁The ▁colour ▁of ▁the ▁fur ▁is ▁pale ▁golden - b rown . ▁There ▁are ▁colour ▁variations ▁in ▁individuals . ▁One ▁male ▁spec imen ▁has ▁a ▁small ▁pale ▁brown ▁patch ▁of ▁fur ▁on ▁the ▁left ▁side ▁of ▁the ▁lower ▁ab d omen . ▁The ▁hol ot ype ▁has ▁a ▁pale ▁golden ▁fur , ▁pal er ▁than ▁other ▁spec im