Scaly-headed parrot

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Scaly-headed parrot
Pionus maximiliani -pet-8a.JPG
CITES Appendix II (CITES) [2]
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Psittaciformes
Family: Psittacidae
Genus: Pionus
Species:
P. maximiliani
Binomial name
Pionus maximiliani
(Kuhl, 1820)
Pionus maximiliani map.svg

The scaly-headed parrot (Pionus maximiliani) is a species of bird in subfamily Arinae of the family Psittacidae, the African and New World parrots. [3] 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. [4]

Contents

Taxonomy and systematics

The scaly-headed parrot has these four subspecies: [3]

The scaly-headed parrot and the red-billed parrot (P. sordidus) are sister species. [5] 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").[ citation needed ]

Wild scaly-headed parrot Scaly-headed Parrot (Pionus maximiliani) (30937506554).jpg
Wild scaly-headed parrot

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 scaly effect. Their eye has arcs of bare white skin above and below. Their lower back and wings are dull green with lighter scaling. Their throat and upper breast are dull blue that becomes yellowish green on the belly. Their undertail coverts and base of the tail are red. The inner tail feathers are green and the outer ones blue. Immature birds have a paler green head and less blue on the breast than adults. [6]

Subspecies P. m. melanoblepharus is larger than the nominate; its green areas and the blue breast are darker and the skin around the eye is dark. P. m. siy is also darker than the nominate, with a reddish purple chin and throat. P. m. lacerus is like siy but larger and has more, and more intense, blue on the breast. [6]

Distribution and habitat

The subspecies of the scaly-headed parrot are found thus: [3] [6]

The scaly-headed parrot inhabits a variety of landscapes that vary geographically. In the north and west of its range it favors deciduous and gallery forest in the somewhat dry caatinga and Chaco. In the southeast it is found in more humid evergreen and semi-deciduous forests including those dominated by Araucaria . It Brazil it reaches elevations of 1,500 to 1,600 m (4,900 to 5,200 ft) and in Argentinal up to 2,000 m (6,600 ft). [6] [7]

Feral scaly-headed parrots have been observed breeding since 2017 in the parks of Malaga, Spain. [8] In one Spanish case a female scaly-headed parrot was observed successfully raising hybrid offspring with a male orange-winged amazon (Amazona amazonica). [9]

Behavior

Movement

The scaly-headed parrot is a year-round resident throughout its range. [6]

Feeding

The scaly-headed parrot feeds on the seeds, flowers, and fruit of a wide variety of plants. [6]

Breeding

The scaly-headed parrot's breeding season appears to vary geographically but has not been fully defined. It nests in holes in trees. In captivity the clutch size is four or five eggs and the time from hatching to fledging is nine weeks. [6]

Vocalization

One author says that the scaly-headed parrot's call is a "cacaphony of very high, shrill 'teer-teer-teer--'." [7] Another says its primary flight call is "a repeated bisyllabic “cra-cheh”, sometimes simply “crreeh” or “cheh” " and that it also has a variety of "‘conversational’ calls, some with a more nasal quality" given while perched. [6]

A captive scaly-headed parrot Pionus maximiliani -pet-4a.jpg
A captive scaly-headed parrot

Status

The IUCN has assessed the scaly-headed parrot as being of Least Concern. It has a very large range but its population size is not known and is believed to be decreasing. The primary threat appears to be the pet trade, especially in Argentina, and which though illegal continues albeit at a lower pace than in the 20th century. [1] It is considered common in southern Brazil and "patchily common" in Paraguay and Argentina. [6]

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References

  1. 1 2 BirdLife International (2016). "Scaly-headed Parrot Pionus maximiliani". IUCN Red List of Threatened Species . 2016: e.T22686181A93101504. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22686181A93101504.en . Retrieved 26 February 2023.
  2. ↑ "Appendices | CITES". cites.org. Retrieved February 24, 2023.
  3. 1 2 3 Gill, F.; Donsker, D.; Rasmussen, P., eds. (January 2023). "Parrots, cockatoos". IOC World Bird List. v 13.1. Retrieved 18 February 2023.
  4. ↑ Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. 30 January 2023. Species Lists of Birds for South American Countries and Territories. https://www.museum.lsu.edu/~Remsen/SACCCountryLists.htm retrieved January 30, 2023
  5. ↑ Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 30 January 2023. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved January 30, 2023
  6. 1 2 3 4 5 6 7 8 9 Collar, N., A. Bonan, and P. F. D. Boesman (2020). Scaly-headed Parrot (Pionus maximiliani), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.schpar1.01 retrieved February 26, 2023
  7. 1 2 van Perlo, Ber (2009). A Field Guide to the Birds of Brazil. New York: Oxford University Press. p. 136. ISBN   978-0-19-530155-7.
  8. ↑ Lillo, Ignacio (15 December 2017). "Malaga park's parrot invasion continues as new species is discovered". Sur in English. Retrieved 19 March 2021.
  9. ↑ Hernández-Brito, Dailos; Tella, José L; Carrete, Martina; Blanco, Guillermo (4 February 2021). "Successful hybridization between non-congeneric parrots in a small introduced population". IBIS International Journal of Avian Science. 163 (3): 1093–1098. doi:10.1111/ibi.12936. S2CID   233929115 . Retrieved 19 July 2021.


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