Prigogine's double-collared sunbirdPrigogine's sunbird or Prigogine's double-collared sunbird is a species of bird in the family Nectariniidae.TaxonomyIt is sometimes considered a subspecies of the greater double-collared sunbird. Alternatively, it has been considered related to other members of the greater double-collared sunbird species complex, including Stuhlmann's sunbird and montane double-collared sunbird, but it is now regarded as a full species.Distribution and habitatIt is endemic to the Marungu highlands of Tanganyika Province, southeastern Democratic Republic of the Congo. Its natural habitat is montane forest.ConservationIt is threatened by habitat loss.