▁of ▁ ▁and ▁a ▁tail ▁. ▁It ▁has ▁a ▁weight ▁of ▁between ▁. ▁The ▁ears ▁are ▁large ▁and ▁nearly ▁n aked . ▁The ▁fur ▁is ▁smooth ▁and ▁fl atten ed , ▁inter sp ers ed ▁with ▁short ▁sp ines . ▁The ▁d ors al ▁pel age ▁is ▁a ▁g ri zz led ▁o live - b rown ▁with ▁scattered ▁medium - length ▁black ▁guard ▁hair s , ▁and ▁the ▁under parts ▁are ▁wh it ish . ▁The ▁tail , ▁which ▁is ▁a ▁similar ▁length ▁to ▁the ▁body , ▁is ▁a ▁uniform ▁dark ▁brown . ▁The ▁feet ▁are ▁broad , ▁and ▁the ▁sol es ▁have ▁fine ▁rid ges ▁for ▁clim bing . ▁It ▁diff ers ▁from ▁Ann and ale ' s ▁rat ▁( R att us ▁ann and ale i ) ▁in ▁having ▁sle ek ▁fur ▁with ▁sp ines ▁and ▁fewer ▁m amma e , ▁and ▁from ▁the ▁rice field ▁rat ▁( R att us ▁argent iv enter ) ▁in ▁having ▁plain ▁white ▁under parts ▁and ▁lack ing ▁an ▁orange ▁spot ▁in ▁front ▁of ▁the ▁ear . ▁ ▁Distribution ▁and ▁habitat ▁The ▁Mal ay an ▁field ▁rat ▁is ▁known ▁from ▁Malays ia , ▁Th ailand , ▁Sum atra , ▁Bor neo , ▁the ▁Philippines ▁and ▁many ▁smaller ▁islands . ▁Its ▁typical ▁habitat ▁is ▁primary ▁and ▁secondary ▁forest , ▁including ▁coast al ▁forest ▁but ▁it ▁is ▁s eld om ▁found ▁in ▁dip ter oc arp ▁for ests . ▁It ▁is ▁also ▁found ▁in ▁plant ations , ▁shr ub by ▁areas , ▁grass land ▁and ▁gard