er ▁brown ▁and ▁there ▁are ▁white ▁mark ings ▁on ▁the ▁face , ▁neck , ▁thro at , ▁ch est ▁and ▁ab d omen . ▁ ▁Distribution ▁and ▁habitat ▁The ▁J avan ▁fer ret - bad ger ▁is ▁en demic ▁to ▁the ▁islands ▁of ▁Java ▁and ▁B ali ▁in ▁Indones ia . ▁Its ▁exact ▁range ▁is ▁unknown , ▁but ▁it ▁is ▁present ▁in ▁h illy ▁and ▁mountain ous ▁areas ▁and ▁may ▁also ▁occur ▁at ▁lower ▁alt itudes . ▁In ▁B ali ▁it ▁has ▁been ▁recorded ▁from ▁a ▁forest ▁track ▁at ▁ ▁and ▁at ▁another ▁site , ▁the ▁precise ▁location ▁of ▁which ▁was ▁not ▁recorded . ▁In ▁Java ▁there ▁are ▁two ▁sub species , ▁M . ▁o . ▁orient alis ▁in ▁the ▁eastern ▁part ▁of ▁the ▁island ▁and ▁M . ▁o . ▁su nd a icus ▁in ▁western ▁Java . ▁It ▁is ▁found ▁in ▁primary ▁forest ▁and ▁in ▁B ali ▁has ▁also ▁been ▁recorded ▁in ▁an ▁area ▁of ▁secondary ▁forest ▁and ▁rub ber ▁plant ations ▁not ▁far ▁from ▁human ▁habit ations . ▁ ▁Be hav iour ▁Like ▁other ▁fer ret - bad gers , ▁the ▁J avan ▁fer ret - bad ger ▁is ▁a ▁foss orial ▁animal ▁that ▁makes ▁use ▁of ▁pre - ex isting ▁bur rows ▁in ▁the ▁forest ▁floor . ▁It ▁is ▁mainly ▁no ct urn al , ▁and ▁small ▁groups ▁of ▁adult s ▁and ▁ju ven iles ▁for age ▁together . ▁It ▁is ▁often ▁found ▁in ▁dense ▁under g row th ▁and ▁it ▁may ▁be ▁able ▁to ▁sc ram ble ▁about ▁in