▁is ▁very ▁ade pt ▁at ▁rice - ter race ▁far ming ; ▁the ▁smaller ▁group ▁lives ▁in ▁the ▁east ▁and ▁north . ▁Prior ▁to ▁Spanish ▁colon isation ▁of ▁the ▁islands , ▁the ▁pe op les ▁now ▁included ▁under ▁the ▁term ▁did ▁not ▁consider ▁themselves ▁as ▁belonging ▁to ▁a ▁single , ▁coh es ive ▁eth nic ▁group . ▁ ▁They ▁may ▁be ▁further ▁sub div ided ▁into ▁five ▁eth n ol ingu istic ▁groups : ▁the ▁Bon to c , ▁I bal oi , ▁Isn ag ▁( or ▁Is neg / A pay ao ), ▁Kal ing a , ▁and ▁the ▁K ank ana ey . ▁ ▁Bon to c ▁ ▁The ▁Bon to c ▁live ▁on ▁the ▁banks ▁of ▁the ▁Ch ico ▁River ▁in ▁the ▁Central ▁Mountain ▁Province ▁on ▁the ▁island ▁of ▁Lu zon . ▁They ▁speak ▁Bon to c ▁and ▁I loc ano . ▁They ▁formerly ▁pract iced ▁head - h un ting ▁and ▁had ▁distinct ive ▁body ▁t atto os . ▁The ▁Bon to c ▁describe ▁three ▁types ▁of ▁t atto os : ▁The ▁ch ak - lag ′ , ▁the ▁t atto o ed ▁ch est ▁of ▁the ▁head ▁tak er ; ▁p ong ′ - o , ▁the ▁t atto o ed ▁arms ▁of ▁men ▁and ▁women ; ▁and ▁fa ′ - t ĕ k , ▁for ▁all ▁other ▁t atto os ▁of ▁both ▁sex es . ▁Women ▁were ▁t atto o ed ▁on ▁the ▁arms ▁only . ▁▁ ▁In ▁the ▁past , ▁the ▁Bon to c ▁engaged ▁in