▁the ▁ground ▁when ▁the ▁bird ▁attempts ▁to ▁walk ▁or ▁hop ▁on ▁land . ▁ ▁Tax onomy ▁The ▁Oriental ▁d arter ▁is ▁a ▁member ▁of ▁the ▁d arter ▁family , ▁An hing idae , ▁and ▁is ▁closely ▁related ▁to ▁American ▁( An hing a ▁an hing a ), ▁African ▁( An hing a ▁r uf a , ▁with ▁v uls ini ▁of ▁Mad agas car ▁as ▁a ▁sub species ), ▁and ▁Austral as ian ▁( An hing a ▁nov ae hol land iae ) ▁dar ters . ▁These ▁were ▁for ▁som etime ▁treated ▁as ▁sub species ▁of ▁An hing a ▁mel an og aster . ▁The ▁Oriental ▁d arter ▁diff ers ▁in ▁appearance ▁from ▁American ▁dar ters ▁most ▁recogn is ably ▁by ▁its ▁white ▁later al ▁neck ▁stri pe . ▁ ▁Be hav iour ▁and ▁e col ogy ▁ ▁The ▁Oriental ▁d arter ▁is ▁found ▁mainly ▁in ▁fresh water ▁la kes ▁and ▁streams . ▁They ▁usually ▁for age ▁sing ly , ▁with ▁the ▁entire ▁body ▁sub mer ged , ▁sw imming ▁slowly ▁forward ▁using ▁their ▁we bb ed ▁feet ▁while ▁the ▁head ▁and ▁neck ▁is ▁moved ▁j erk ily ▁above ▁the ▁water . ▁It ▁d arts ▁its ▁neck ▁to ▁imp ale ▁fish ▁and ▁then ▁brings ▁them ▁out ▁of ▁water , ▁toss ing ▁them ▁into ▁the ▁air ▁before ▁sw allow ing ▁the ▁fish ▁head ▁first . ▁They ▁may ▁sometimes ▁be ▁found ▁along ▁with ▁c orm or ants ▁which ▁share ▁the ▁habit ▁of ▁spread ing ▁out ▁their ▁wings ▁to ▁dry ▁when ▁per ched ▁on ▁a ▁waters