oro ▁forest ▁mouse ▁( Ap om ys ▁g rac ili ro str is ) ▁ ▁is ▁a ▁species ▁of ▁rod ent ▁in ▁the ▁family ▁Mur idae , ▁from ▁the ▁genus ▁Ap om ys . ▁It ▁is ▁found ▁only ▁in ▁the ▁Philippines . ▁Its ▁natural ▁habitat ▁is ▁subt rop ical ▁or ▁tropical ▁mo ist ▁mont ane ▁for ests . ▁It ▁is ▁a ▁large ▁mouse ▁with ▁large ▁feet , ▁a ▁long ▁tail ▁and ▁an ▁el ong ated ▁sn out ▁which ▁is ▁morph olog ically ▁unique ▁within ▁its ▁genus . ▁It ▁is ▁covered ▁in ▁soft ▁fur ▁which ▁is ▁mostly ▁dark ▁brown ▁in ▁colour . ▁Its ▁closest ▁relative ▁is ▁thought ▁to ▁be ▁the ▁Lu zon ▁mont ane ▁forest ▁mouse , ▁based ▁on ▁gen etic ▁and ▁morph ological ▁similar ities . ▁ ▁Disc overy ▁and ▁tax onomy ▁In ▁May ▁and ▁June ▁ 1 9 9 2 , ▁an ▁expedition ▁to ▁the ▁Philippines ▁was ▁organ ised ▁for ▁the ▁purpose ▁of ▁increasing ▁the ▁knowledge ▁on ▁their ▁b iod iversity . ▁During ▁this ▁expedition , ▁six teen ▁examples ▁of ▁a ▁then ▁unknown ▁species ▁of ▁mouse ▁were ▁captured ▁on ▁Mount ▁Hal con , ▁on ▁the ▁island ▁Mind oro . ▁To ▁this ▁day , ▁these ▁animals , ▁all ▁captured ▁between ▁May ▁ 2 8 ▁and ▁June ▁ 1 2 , ▁ 1 9 9 2 , ▁remain ▁the ▁only ▁known ▁spec im ens ▁of ▁this ▁species . ▁ ▁In ▁ 1 9 9 5 , ▁in ▁the ▁scientific ▁journal ▁Pro ceed ings ▁of ▁the ▁Bi ological ▁Society ▁of ▁Washington , ▁bi ologist ▁Luis