▁Mal ay ▁Pen ins ula , ▁Sum atra , ▁western ▁and ▁central ▁Java ▁and ▁n ortheast ▁Bor neo . ▁ ▁Tax onomy ▁Rec ent ▁tax onom ic ▁evidence < ref > Col lar , ▁N . ▁J . ▁ ▁( 2 0 1 1 ) </ ref > ▁suggested ▁the ▁species ▁be ▁split ▁into ▁the ▁following ▁species : ▁ ▁Gre ater ▁fl ame back , ▁( C . ▁g utt ac rist atus ) ▁( C . ▁luc id us ▁if ▁taken ▁as ▁a ▁group ▁and ▁not ▁split ) ▁C rim son - back ed ▁fl ame back , ▁( C . ▁str ick land i ) ▁of ▁Sri ▁L anka . ▁J avan ▁fl ame back ▁( C . ▁strict us ) ▁of ▁eastern ▁Java , ▁and ▁B ali ▁and ▁K ange an ▁Islands ▁Lu zon ▁fl ame back ▁( C . ▁ha emat rib on ) ▁of ▁Lu zon , ▁Pol illo , ▁Cat and uan es ▁and ▁Mar indu que ▁in ▁the ▁northern ▁Philippines ▁ ▁Y ellow - fac ed ▁fl ame back ▁( C . ▁x anth oce phal us ) ▁of ▁Neg ros , ▁Gu imar as , ▁Pan ay , ▁Mas b ate ▁and ▁T ica o ▁Philipp ine ▁Islands ▁Buff - sp otted ▁fl ame back ▁( C . ▁luc id us ) ▁of ▁Boh ol , ▁Ley te , ▁Sam ar , ▁Bil ir an , ▁P ana on , ▁Mind ando , ▁Bas il an ▁and ▁Sam al ▁Philipp ine ▁Islands ▁Red - head