Apart from their extreme sexual dimorphism, eclectus parrots are also unique in that they have rather fine, hair-like plumage on their neck and abdomen.
There are nine subspecies of eclectus parrots; the Sumba eclectus is found only on Sumba Island in Indonesia.
Due to trapping for the pet trade and habitat degradation, it is endangered with just 1,000 to 2,500 birds in the wild.