Apricot-breasted sunbird

The apricot-breasted sunbird (Cinnyris buettikoferi) is a species of bird belonging to the family Nectariniidae. It is endemic to the island of Sumba in Indonesia, where its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. Although it is quite common, very little is known about its biology, with virtually nothing known about its breeding or diet.

The apricot-breasted sunbird is a medium-sized sunbird, measuring 11 cm (4.3 in) in length. The male has an olive-brown back and neck with a greyer-brown crown, a somewhat glossy, blackish tail tipped with brown, and brown flight feathers edged in green. His underparts are largely yellow, though from chin to upper breast is an iridescent purplish-blue, with an orange breast band caudal to that. The female is similar to the male, but her whole underside is yellow, with olive-green sides to the breast. Both sexes have blackish feet and dark brown irises. The male's bill is black, while the female's is dark brown. The juvenile is undescribed.