▁tr unks . ▁The ▁long ▁tongue ▁can ▁be ▁d art ed ▁forward ▁to ▁extract ▁wood - bor ing ▁ar th rop od ▁pre y ; ▁while ▁mainly ▁feed ing ▁on ▁small ▁in verte br ates , ▁greater ▁fl ame back s ▁will ▁also ▁drink ▁ne ct ar . ▁They ▁nest ▁in ▁tree ▁holes , ▁lay ing ▁three ▁or ▁four ▁white ▁eggs . ▁ ▁W id ely ▁distributed ▁and ▁quite ▁common ▁in ▁parts ▁of ▁its ▁range , ▁the ▁Gre ater ▁Fl ame back ▁is ▁class ified ▁as ▁a ▁Species ▁of ▁Le ast ▁Conc ern ▁by ▁the ▁IU CN . ▁ ▁References ▁▁ ▁Gr imm ett , ▁Richard ; ▁In ski pp , ▁Carol , ▁In ski pp , ▁Tim ▁& ▁By ers , ▁C live ▁( 1 9 9 9 ): ▁Bird s ▁of ▁India , ▁Pakistan , ▁Nep al , ▁Bang l adesh , ▁Bh ut an , ▁Sri ▁L anka , ▁and ▁the ▁M ald ives . ▁Pr inc eton ▁University ▁Press , ▁Pr inc eton , ▁N . J .. ▁▁ ▁Col lar , ▁N . J . ▁ 2 0 1 1 . ▁Species ▁limits ▁in ▁some ▁Philipp ine ▁birds ▁including ▁the ▁Gre ater ▁Fl ame back ▁Ch rys oc ol apt es ▁luc id us . ▁F ork tail ▁number ▁ 2 7 : ▁ 2 9 - 3 8 </ small > ▁ ▁Moore , ▁William ▁S .; ▁We ib el , ▁Amy ▁C . ▁& ▁Ag ius , ▁Andrea ▁( 2 0 0 6 ): ▁M ito