▁silver - col oured ▁tips ▁in ▁the ▁vent ral ▁fur , ▁and ▁finally ▁some ▁animals ▁showing ▁no ▁difference ▁between ▁the ▁d ors al ▁and ▁vent ral ▁fur ▁at ▁all . ▁ ▁The ▁tail ▁is ▁usually ▁an ▁even , ▁dark ▁colour , ▁but ▁in ▁some ▁animals ▁the ▁vent ral ▁side ▁is ▁somewhat ▁dark er . ▁In ▁some ▁animals ▁the ▁tail ▁ends ▁in ▁a ▁white ▁tip ▁of ▁ 2 ▁to ▁ 1 0   mm ▁in ▁length . ▁The ▁tail ▁has ▁four teen ▁scales ▁per ▁cent imeter . ▁The ▁long , ▁dark ▁h ind ▁feet ▁end ▁in ▁long ▁cla ws ▁( about ▁ 4   mm ). ▁The ▁cla ws ▁on ▁the ▁front ▁feet ▁are ▁about ▁ 3   mm ▁in ▁length . ▁The ▁animal ▁has ▁seven ▁cer v ical ▁verte bra e , ▁th ir teen ▁thor ac ic ▁verte bra e , ▁six ▁lum bar ▁verte bra e , ▁three ▁sac ral ▁verte bra e ▁and ▁thirty - two ▁to ▁thirty - five ▁ca ud al ▁verte bra e . ▁ ▁E volution ▁and ▁ph y log en etic ▁relationships ▁ ▁The ▁large ▁Mind oro ▁forest ▁mouse ▁belongs ▁to ▁the ▁Ch rot om ys ▁division , ▁a ▁group ▁within ▁the ▁Mur inae ▁that ▁occurs ▁exclus ively ▁on ▁the ▁Philippines ▁and ▁in ▁addition ▁to ▁Ap om ys ▁also ▁includes ▁Rh yn ch om ys , ▁Ch rot om ys ▁and ▁Arch bold om ys . ▁Anim als ▁in ▁this ▁division ▁share ▁several ▁morph ological ▁and ▁gen etic ▁features . ▁Within ▁this ▁group , ▁Ap