Scaly-headed Parrot

The scaly-headed parrot (Pionus maximiliani) is a species of bird in subfamily Arinae of the family Psittacidae, the African and New World parrots. It is also called scaly-headed pionus, Maximilian pionus, Maximilian parrot, Maximilian's pionus, or Maximilian's parrot. It is found in Brazil, Bolivia, Argentina, and Paraguay. == Taxonomy and systematics == The scaly-headed parrot has these four subspecies: P. m. maximiliani (Kuhl, 1820) P. m. siy Souancé, 1856 P. m. lacerus Heine, 1884 P. m. melanoblepharus Miranda-Ribeiro, 1920 The scaly-headed parrot and the red-billed parrot (P. sordidus) are sister species. The species' specific epithet is a reference to Prince Maximilian of Wied-Neuwied, a nobleman and naturalist who explored the hinterlands of southeastern Brazil in the early 19th century. In Brazil, the scaly-headed parrot is called cocotas or maritacas (from mbaé'taka, tupi for "noisy bird"). == Description == The scaly-headed parrot is 25 to 29 cm (9.8 to 11 in) long and weighs 233 to 293 g (8.2 to 10 oz). Adults of the nominate subspecies P. m. maximiliani have a blackish brown forehead and mid-crown. Their rest of their head, their nape, and their upper back are dark greenish bronze; the feathers have darker edges that give the eponymous…