▁from ▁Sar ang ani ▁island ▁into ▁the ▁Mind ana o ▁main land ▁in ▁the ▁regions ▁of ▁Ag us an , ▁D ava o , ▁B uk id non , ▁Sur iga o , ▁Mis am is , ▁and ▁Cot ab ato . ▁A ▁study ▁by ▁the ▁journal ▁N CC P - PA CT ▁put ▁their ▁population ▁in ▁ 1 9 8 8 ▁at ▁around ▁ 2 5 0 , 0 0 0 . ▁The ▁groups ▁occup y ▁such ▁a ▁wide ▁area ▁of ▁distribution ▁that ▁local ized ▁groups ▁have ▁assumed ▁the ▁character ▁of ▁distinct iveness ▁as ▁a ▁separate ▁eth nic ▁grouping ▁such ▁as ▁the ▁Bag ob o ▁or ▁the ▁H iga on on , ▁and ▁the ▁Att a . ▁Depending ▁on ▁specific ▁lingu istic ▁points ▁of ▁view , ▁the ▁membership ▁of ▁a ▁dialect ▁with ▁a ▁super group ▁sh ifts . ▁ ▁The ▁Man ob o ▁possess ▁Den is ovan ▁ad mi xture , ▁much ▁like ▁the ▁M aman wa . ▁ ▁Mans aka ▁ ▁The ▁term ▁" M ans aka " ▁der ives ▁from ▁" man " ▁with ▁literal ▁meaning ▁" first " ▁and ▁" s aka " ▁meaning ▁" to ▁asc end ," ▁and ▁means ▁" the ▁first ▁people ▁to ▁asc end ▁mountains / up stream ." ▁ ▁The ▁term ▁most ▁likely ▁describes ▁the ▁origin ▁of ▁these ▁people ▁who ▁are ▁found ▁today ▁in ▁D ava o ▁del ▁Norte ▁and ▁D ava o ▁del ▁Sur . ▁Specifically ▁in ▁the ▁Bat oto ▁River , ▁the ▁Man at ▁Valley , ▁Car agan , ▁Mar ag us