▁when ▁it ▁is ▁available , ▁but ▁they ▁apparently ▁do ▁not ▁require ▁it .   ▁Bird s ▁in ▁North ▁Central ▁India ▁visit ▁water ▁holes ▁frequently ▁during ▁the ▁dry ▁season , ▁although ▁not ▁all ▁j ung lef ow l ▁in ▁the ▁region ▁live ▁close ▁enough ▁to ▁water ▁to ▁do ▁so . ▁Population ▁dens ities ▁may ▁be ▁lower , ▁however , ▁where ▁surface ▁water ▁is ▁limited . ▁ ▁Be hav iour ▁and ▁e col ogy ▁ ▁Red ▁j ung lef ow l ▁regularly ▁bat he ▁in ▁dust ▁to ▁keep ▁the ▁right ▁balance ▁of ▁oil ▁in ▁their ▁pl um age . ▁The ▁dust ▁absor bs ▁extra ▁oil ▁and ▁subsequently ▁falls ▁off . ▁ ▁Fl ight ▁in ▁these ▁birds ▁is ▁almost ▁purely ▁conf ined ▁to ▁reaching ▁their ▁ro ost ing ▁areas ▁at ▁sun set ▁in ▁trees ▁or ▁any ▁other ▁high ▁and ▁relatively ▁safe ▁places ▁free ▁from ▁ground ▁pred ators , ▁and ▁for ▁escape ▁from ▁immediate ▁danger ▁through ▁the ▁day . ▁ ▁Domin ant ▁male ▁j ung lef ow l ▁appear ▁to ▁defend ▁a ▁territory ▁against ▁other ▁dominant ▁males , ▁and ▁the ▁size ▁of ▁the ▁territ ories ▁has ▁been ▁infer red ▁based ▁on ▁the ▁proxim ity ▁of ▁ro ost s .   ▁Be eb e ▁concluded ▁that ▁territ ories ▁were ▁rather ▁small , ▁especially ▁as ▁compared ▁to ▁some ▁of ▁the ▁p he as ants ▁with ▁which ▁he ▁was ▁familiar .   ▁This ▁was ▁supported ▁by ▁Col lias ▁and ▁Col lias , ▁who ▁reported ▁that ▁adjacent ▁ro ost ▁sites ▁can ▁be ▁as ▁close ▁as ▁ 1 0 0 ▁meters .