▁The ▁use ▁of ▁the ▁name ▁d our ou cou li ▁exclus ively ▁for ▁the ▁three - strip ed ▁night ▁mon key ▁is ▁not ▁univers ally ▁accepted ; ▁some ▁authors ▁use ▁it ▁for ▁the ▁entire ▁genus , ▁or ▁for ▁the ▁grey - ne ck ed ▁group ▁of ▁species ▁within ▁it ▁( to ▁which ▁A . ▁t riv ir g atus ▁belongs ). ▁ ▁Like ▁other ▁ow l ▁mon keys , ▁the ▁three - strip ed ▁night ▁mon key ▁lives ▁in ▁wood lands ▁including ▁rain ▁forest . ▁It ▁is ▁mainly ▁black , ▁with ▁striking ▁white ▁mark ings ▁on ▁its ▁face . ▁Its ▁body ▁size ▁is ▁ 2 7 – 4 8   cm , ▁and ▁its ▁tail ▁is ▁about ▁the ▁same ▁length ▁again . ▁Ad ult s ▁we igh ▁up ▁to ▁ 1   kg . ▁It ▁has ▁very ▁large ▁eyes , ▁and ▁is ▁most ▁active ▁on ▁moon lit ▁night s , ▁feed ing ▁on ▁fruit , ▁n uts , ▁leaves , ▁insect s ▁and ▁other ▁small ▁in verte br ates , ▁and ▁birds ' ▁eggs . ▁ ▁The ▁three - strip ed ▁night ▁mon key ▁forms ▁pair ▁b onds ▁which ▁are ▁broken ▁only ▁by ▁the ▁death ▁of ▁one ▁partner . ▁It ▁lives ▁in ▁family ▁groups , ▁with ▁the ▁imm ature ▁young ▁stay ing ▁with ▁their ▁parents ▁until ▁sexual ▁m atur ity ▁at ▁the ▁age ▁of ▁ 3 ▁or ▁ 4 . ▁Norm ally ▁only ▁one ▁infant ▁is ▁born , ▁after ▁a ▁gest ation ▁period ▁of ▁a ▁little ▁over ▁ 4 ▁months . ▁ ▁References