▁H ond uras , ▁Pan ama , ▁Peru , ▁Tr in idad ▁and ▁Tob ago , ▁and ▁Venezuela . Des p ite ▁res emb ling ▁certain ▁prim ates , ▁it ▁is ▁related ▁to ▁op os sum s . ▁ ▁Robinson ' s ▁mouse ▁op os sum s ▁move ▁along ▁tree ▁branches ▁and ▁v ines ▁with ▁the ▁help ▁of ▁a ▁pre hens ile ▁tail ▁and ▁may ▁le ap ▁between ▁g aps ▁as ▁they ▁search ▁for ▁fruit ▁and ▁insect s . ▁ ▁Description ▁ ▁Mar m osa ▁ro bin son i ▁is ▁typically ▁c inn am on ▁brown ▁with ▁a ▁yellow ▁unders ide . ▁Its ▁d ors al ▁color ▁var ies ▁from ▁rus set ▁to ▁gray . ▁The ▁top ▁of ▁the ▁head ▁is ▁generally ▁pal er ▁in ▁color ▁than ▁the ▁rest ▁of ▁the ▁body . ▁The ▁black ▁fa cial ▁mask ▁is ▁always ▁present ▁but ▁var ies ▁in ▁size ▁according ▁to ▁the ▁region ▁of ▁that ▁individual . ▁It ▁poss esses ▁a ▁pre hens ile ▁tail ▁about ▁ 1 . 3 ▁times ▁its ▁body ▁length , ▁which ▁is ▁covered ▁in ▁fine ▁white ▁hair s . ▁Its ▁feet ▁are ▁modified ▁for ▁grasp ing ▁with ▁p ads ▁and ▁an ▁oppos able ▁hall ux . ▁ ▁Hab itat ▁ ▁The ▁species ▁occup ies ▁a ▁variety ▁of ▁habit ats ▁from ▁sea ▁level ▁to ▁ 2 , 6 0 0 ▁m ▁elev ation , ▁including ▁low land ▁and ▁mont ane ▁mo ist ▁for ests , ▁low land ▁dry ▁for ests , ▁mang ro ves , ▁sav ann as , ▁and ▁x er