Macquarie parakeet

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Macquarie parakeet
Temporal range: Late Holocene
Status iucn3.1 EX.svg
Extinct  (1891)  (IUCN 3.1) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Psittaciformes
Family: Psittaculidae
Genus: Cyanoramphus
Species:
C. erythrotis
Binomial name
Cyanoramphus erythrotis
(Wagler, 1832)
Synonyms
  • Cyanoramphus novaezelandiae erythrotis

The Macquarie parakeet (Cyanoramphus erythrotis), also known as the Macquarie Island parakeet, is an extinct parrot from subantarctic Macquarie Island, an outlying part of Tasmania, Australia, in the Southern Ocean.

Contents

Taxonomy

The Macquarie parakeet was previously considered to be a subspecies of the red-fronted parakeet C. novaezelandiae, which it resembled in appearance, but was later lumped with Reischek's parakeet from the Antipodes Islands in a 2001 paper by Wee Ming Boon and others following an examination of the molecular systematics of the genus which found that many of the red-crowned parakeet subspecies should be elevated to full species. [2] However, subsequently the provenance of Boon et al.’s supposed Macquarie Island material was shown to be mistaken, originating from the Antipodes Islands instead. [3] [4]

History

When Macquarie Island was discovered in 1810 the parrots were widespread in tussock grassland and abundant on the shoreline, feeding on invertebrates in beach-washed seaweed. Despite the introduction of dogs and cats to the island by 1820, as well as being hunted for food by sealers, the parrots remained common there until about 1880. [5]

The transition from abundance to extinction took little more than a decade. The critical events leading to the extinction of the parrot were the introductions of both wekas and European rabbits to the island in the 1870s and their subsequent spread during the 1880s. Until then winter, with the seasonal absence of burrow-nesting petrels and breeding penguins, was a period of food scarcity for terrestrial predators, which served to keep their numbers low. The presence of rabbits provided a year-round food supply for cats and wekas and allowed their numbers to expand, leading to increased predation on the parrot, the last sighting of which was in 1891. [5]

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<span class="mw-page-title-main">Broad-tailed parrot</span> Tribe of birds

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<span class="mw-page-title-main">Weka</span> Species of bird

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<span class="mw-page-title-main">Kākāriki</span> Common name for three species of parakeets

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<span class="mw-page-title-main">Antipodes Subantarctic Islands tundra</span> Ecoregion

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<span class="mw-page-title-main">Chatham parakeet</span> Species of bird

The Chatham parakeet, also known as Forbes' parakeet, is a rare parakeet endemic to the Chatham Islands group, New Zealand. This parakeet is one of New Zealand's rarest birds and is classified as Vulnerable on the IUCN Red List, as a result of a range of threats to the species survival, including habitat loss, predation, and hybridization. A number of conservation methods have been employed to assist the recovery of this species, and currently the population trend is considered stable.

<span class="mw-page-title-main">Norfolk parakeet</span> Species of bird

The Norfolk parakeet, also called Tasman parakeet, Norfolk Island green parrot or Norfolk Island red-crowned parakeet, is a species of parrot in the family Psittaculidae. It is endemic to Norfolk Island.

<span class="mw-page-title-main">Reischek's parakeet</span> Species of bird

Reischek's parakeet is a small green parrot confined to 21 km2 (8.1 sq mi) Antipodes Island, one of New Zealand’s subantarctic islands, which it shares with a congener, the larger Antipodes parakeet.

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<span class="mw-page-title-main">Lord Howe parakeet</span> Extinct species of bird

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<span class="mw-page-title-main">Kermadec red-crowned parakeet</span> Subspecies of bird

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<i>Nelepsittacus</i> Extinct genus of birds

Nelepsittacus is a genus of extinct New Zealand parrots that is closely related to the genus Nestor. It consists of four species, of which three have been named so far. The species are all known from the early Miocene Saint Bathans Fauna from the Lower Bannockburn Formation in Otago in New Zealand.

<span class="mw-page-title-main">Parrots of New Zealand</span>

New Zealand is geographically isolated, and originally lacked any mammalian predators, hence parrots evolved to fill habitats from the ground dwelling kākāpō to the alpine dwelling kea as well as a variety of forest species. The arrival of Māori, then European settlers with their attendant animals, habitat destruction and even deliberate targeting, has resulted in their numbers plummeting. Today one species is on the brink of extinction and three other species range from Vulnerable to Critically Endangered, all impacted by invasive species. Further parrot species were not introduced by acclimatisation societies, but occasional releases, both deliberate and accidental, have resulted in self-sustaining populations of some Australian species. New Zealand was identified among the highest priority countries for parrot conservation in the world, due to its parrot diversity, endemism, threats, and having more threatened parrot species than expected.

References

  1. BirdLife International. 2018. Cyanoramphus novaezelandiae. The IUCN Red List of Threatened Species 2018: e.T22727981A132031270. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T22727981A132031270.en. Accessed on 19 April 2023.
  2. Boon, Wee Ming; Kearvell, Jonathan C.; Daugherty, Charles H.; & Chambers, Geoffrey K. (2001). Molecular systematics and conservation of kakariki (Cyanoramphus spp.). Science for Conservation176. Dept of Conservation:Wellington, New Zealand. ISBN   0-478-22031-6
  3. Scofield, R. Paul. (2005). The supposed Macquarie Parakeet in the collection of Canterbury Museum. Notornis52(2): 117-120
  4. Chambers, Geoffrey K.; Boon, Wee Ming (2005). "Molecular systematics of Macquarie Island and Reischek's parakeets" (PDF). Notornis. 52 (4): 249–250.
  5. 1 2 Taylor, R.H. (1979). How the Macquarie Parakeet became extinct. New Zealand Journal of Ecology2: 42-45.