Stewart Island kiwi

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Stewart Island kiwi
Stewart Island kiwi, Otago Museum, 2016-01-29.jpg
Status NZTCS NE.svg
Nationally Endangered (NZ TCS) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Infraclass: Palaeognathae
Order: Apterygiformes
Family: Apterygidae
Genus: Apteryx
Species:
A. a. lawryi
Binomial name
Apteryx australis lawryi
Rothschild, 1893

The Stewart Island tokoeka, Stewart Island kiwi, Rakiura tokoeka or Rakiura kiwi (Apteryx australis lawryi) is a subspecies of southern brown kiwi endemic to New Zealand. Like other ratites, it is a flightless bird. [2] [3]

Contents

Appearance

The Stewart Island tokoeka is the largest type of southern brown kiwi. It has red-brown feathers that resemble fur. It has small wings and a long, curved bill. [2] The nostrils are at the end of the bill, not at the top near the rest of its face. Experts think the kiwi can smell very well. [4]

Habitat and family

A Stewart Island kiwi on a beach. DSC 9745 (10741132596).jpg
A Stewart Island kiwi on a beach.

About 20,000 Stewart Island tokoeka live on Stewart Island. Unlike other kiwis, they are diurnal rather than active only at night. [3]

Unlike other kiwis, the Stewart Island tokoeka is not solitary, instead living in family groups. The chicks remain with their parents for up to seven years, during which they take turns incubating their parents' younger eggs. Scientists believe this assistance by older siblings may be why kiwi parents sometimes have two clutches each year. [1] This kiwi also goes onto the beach to look for food, which most other kiwis do not do. [4] [5]

Threats

Invasive mustelids, such as stoats, never established themselves on Stewart Island to the same extent as in the rest of New Zealand. However, there are feral cats on Stewart Island, and they can be very large. [6]


Related Research Articles

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Kiwi are flightless birds endemic to New Zealand of the order Apterygiformes. The five extant species fall into the family Apterygidae and genus Apteryx. Approximately the size of a domestic chicken, kiwi are the smallest ratites.

<span class="mw-page-title-main">Rakiura National Park</span> National park in New Zealand

Rakiura National Park is a nature reserve park located on Stewart Island / Rakiura, New Zealand. It is the newest national park of New Zealand and opened in 2002. The protected area covers about 85% of the island.

<span class="mw-page-title-main">Fiordland National Park</span> National park on South Island of New Zealand

Fiordland National Park is a national park in the south-west corner of South Island of New Zealand. It is the largest of the 13 national parks in New Zealand, with an area covering 12,607 km2 (4,868 sq mi), and a major part of the Te Wāhipounamu a UNESCO World Heritage Site established in 1990. The park is administered by the Department of Conservation. The southern ranges of the Southern Alps cover most of Fiordland National Park, combined with the deep glacier-carved valleys.

<span class="mw-page-title-main">Ulva Island (New Zealand)</span> Island in New Zealand

Ulva Island is a small island about 3.5 km (2.17 mi) long lying within Paterson Inlet, which is part of Stewart Island/Rakiura in New Zealand. It has an area of 267 hectares, of which almost all (261 ha) is part of Rakiura National Park. It was named after the island of Ulva in the Inner Hebrides of Scotland and was formerly called Coopers Island.

<span class="mw-page-title-main">Rakiura Track</span> Hiking trail in New Zealand

The Rakiura Track is a 32-kilometre (20 mi) circular tramping track in Rakiura National Park on Stewart Island in New Zealand. It is one of the New Zealand Great Walks. Hikers often take three days to walk it, but it can be done in one or two days.

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<span class="mw-page-title-main">Southern brown kiwi</span> New Zealand endemic bird species

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<span class="mw-page-title-main">Great spotted kiwi</span> Species of flightless bird in New Zealand

The great spotted kiwi, great grey kiwi or roroa is a species of kiwi endemic to the South Island of New Zealand. The great spotted kiwi, as a member of the ratites, is flightless. It is the largest of the kiwi. The rugged topography and harsh climate of the high altitude alpine part of its habitat render it inhospitable to a number of introduced mammalian predators, which include dogs, ferrets, cats, and stoats. Because of this, populations of this species have been less seriously affected by the predations of these invasive species compared to other kiwi. Nonetheless, there has been a 43% decline in population in the past 45 years, due to these predators and habitat destruction. This has led it to be classified as vulnerable. There are less than 16,000 great spotted kiwis in total, almost all in the more mountainous parts of northwest Nelson, the northwest coast, and the Southern Alps. A minority live on island reserves.

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The North Island brown kiwi is a species of kiwi that is widespread in the northern two-thirds of the North Island of New Zealand and, with about 35,000 remaining, it is the most common kiwi. It holds the world record for laying the largest eggs relative to its body size.

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The red-crowned parakeet, also known as red-fronted parakeet and by its Māori name of kākāriki, is a small parrot from New Zealand. It is characterised by its bright green plumage and the red pattern on its head. This versatile bird can feed on a variety food items and can be found in many habitat types. It used to be classified as near threatened as invasive predators had pushed it out of its historical range but it is now at least concern. This species used to occupy the entire island, but is now confined to only a few areas on the mainland and some offshore islands.

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The South Island giant moa is an extinct species of moa in the genus Dinornis, known in Māori by the name moa nunui. It was one of the tallest-known bird species to walk the Earth, exceeded in weight only by the heavier but shorter elephant bird of Madagascar.

<span class="mw-page-title-main">Stewart Island</span> New Zealands third largest island

Stewart Island is New Zealand's third-largest island, located 30 kilometres south of the South Island, across the Foveaux Strait. It is a roughly triangular island with a total land area of 1,746 km2 (674 sq mi). Its 164-kilometre (102 mi) coastline is deeply creased by Paterson Inlet (east), Port Pegasus (south), and Mason Bay (west). The island is generally hilly and densely forested. Flightless birds, including penguins, thrive because there are few introduced predators. Almost all the island is owned by the New Zealand government, and over 80 per cent of the island is set aside as the Rakiura National Park.

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

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<i>Myosotis rakiura</i> Species of flowering plant

Myosotis rakiura is a species of flowering plant in the family Boraginaceae, endemic to southern South Island and Stewart Island/Rakiura of New Zealand. Joseph Beattie Armstrong described the species in 1881. Plants of this species of forget-me-not are perennial rosettes which form loose tufts or clumps, with ebracteate, erect inflorescences, and white corollas with exserted stamens.

References

  1. 1 2 "Tokoeka – literally meaning 'weka with a walking stick' (Ngāi Tahu) – has three geographically and genetically distinct forms: Haast, Fiordland, and Rakiura (Stewart Island)". New Zealand Department of Conservation . Retrieved 23 August 2021.
  2. 1 2 "Southern Brown Kiwi". New Zealand Birds Online. Retrieved 18 August 2021.
  3. 1 2 "Birds". Stewart Island Promotion Association. Retrieved 21 August 2021.
  4. 1 2 Dominic Couzens (18 June 2015). Top 100 Birding Sites Of The World. Bloomsbury Publishing. ISBN   9781472919854 . Retrieved 21 August 2021.
  5. Bette Flagler (2004). Adventure Guide to New Zealand. Hunter Publishing, Incorporated. ISBN   9781588435446 . Retrieved 22 August 2021.
  6. Erwin Brinkmann; Neville Peat (1992). Stewart Island: The Last Refuge. Random House New Zealand. p. 98. ISBN   9781869411657 . Retrieved 22 August 2021.