▁back ▁that ▁f ades ▁into ▁a ▁l ighter ▁gradient ▁going ▁towards ▁the ▁ch est . ▁It ▁also ▁has ▁a ▁dark ▁head , a ▁dark ▁strip ▁on ▁the ▁breast , ▁and ▁a ▁light ▁orb ital . ▁Both ▁male ▁and ▁female ▁have ▁the ▁same ▁pl um age . ▁It ▁is ▁en demic ▁to ▁the ▁island ▁of ▁Saint ▁Vincent ▁in ▁the ▁L esser ▁Ant illes . ▁Its ▁natural ▁habit ats ▁are ▁subt rop ical ▁or ▁tropical ▁mo ist ▁low land ▁forest ▁and ▁subt rop ical ▁or ▁tropical ▁mo ist ▁mont ane ▁forest . ▁It ▁is ▁threatened ▁by ▁habitat ▁loss . ▁This ▁habitat ▁loss ▁is ▁due ▁to ▁vol can ic ▁activity ▁and ▁def or est ation . ▁Wh ist ling ▁war bl ers ▁have ▁cup - sh aped ▁n ests , ▁and ▁sp otted ▁eggs . ▁Their ▁di et ▁primarily ▁consists ▁of ▁insect s . ▁ ▁Tax onomy ▁ ▁The ▁wh ist ling ▁war b ler ▁was ▁originally ▁given ▁the ▁genus , ▁Le u cope za ▁bishop i , ▁but ▁it ▁was ▁later ▁changed ▁to ▁C ath ar ope za ▁bishop i ▁because ▁of ▁its ▁st out ness ▁in ▁many ▁areas ▁of ▁its ▁body . ▁ ▁There ▁are ▁compet ing ▁belief s ▁on ▁who ▁the ▁closest ▁relative ▁to ▁the ▁wh ist ling ▁war b ler ▁( C ath ar ope za ) ▁is ▁between ▁Ph ae oth ly pis ▁and ▁D end ro ica . ▁A ▁study ▁done ▁by ▁Mark ▁Rob ins ▁and ▁The odore ▁Parker ▁in ▁ 1 9 7 6 ▁argued ▁that ▁Ph ae oth