▁in cont est able ▁fact . ▁ ▁In ▁the ▁classical ▁era , ▁G att aran ▁and ▁L al - lo ▁used ▁to ▁be ▁the ▁home ▁of ▁h unter - g ather ers ▁who ▁special ized ▁in ▁hunting ▁m oll us ks . ▁These ▁h unter - g ather ers ▁have ▁stock p iled ▁their ▁le f to ver ▁m oll usk ▁shell s ▁in ▁numerous ▁sites ▁in ▁G att aran ▁and ▁L al - lo , ▁until ▁eventually , ▁the ▁shell s ▁formed ▁into ▁largest ▁stock ▁of ▁shell - m idden ▁sites ▁in ▁the ▁entire ▁Philippines . ▁ ▁From ▁available ▁ev id ences , ▁the ▁Att a ▁or ▁Neg rito ▁- ▁a ▁short ▁dark - sk inned ▁nom ad ▁- ▁was ▁the ▁first ▁man ▁in ▁C ag ay an . ▁They ▁were ▁later ▁moved ▁to ▁the ▁u pl ands ▁by ▁the ▁Malays ▁who ▁eventually ▁became ▁the ▁I ban ags , ▁It aw es , ▁Y og ads , ▁G add angs , ▁I ray as ▁and ▁Mal aw eg s ▁- ▁the ▁n atives ▁of ▁C ag ay an ▁- ▁who ▁actually ▁came ▁from ▁one ▁eth nic ity . ▁These ▁are ▁the ▁people ▁found ▁by ▁the ▁Sp ani ards ▁in ▁the ▁different ▁villages ▁along ▁the ▁rivers ▁all ▁over ▁C ag ay an . ▁The ▁Sp ani ards ▁right ly ▁jud ged ▁that ▁these ▁various ▁vill agers ▁came ▁from ▁a ▁single ▁ra cial ▁stock ▁and ▁decided ▁to ▁make ▁the ▁I ban ag ▁language ▁the ▁ling ua ▁fran ca , ▁both ▁civil ly ▁and ▁ecc