Genus Nestor, satu-satunya genus bangsa Nestorini, terdiri dari dua spesies bayan dari Selandia Baru dan satu spesies yang telah punah dari Pulau Norfolk, Australia.

Nestor
Kākā
(Nestor meridionalis)
Klasifikasi ilmiah Sunting klasifikasi ini
Domain: Eukaryota
Kerajaan: Animalia
Filum: Chordata
Kelas: Aves
Ordo: Psittaciformes
Famili: Strigopidae
Genus: Nestor
Lesson, 1830
Spesies

N. notabilis
N. meridionalis
N. productus

Daftar spesies

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  • Kea, Nestor notabilis
  • Kākā, Nestor meridionalis
    • Kākā Pulau Utara, Nestor meridionalis septentrionalis
    • Kākā Pulau Selatan, Nestor meridionalis meridionalis
  • Kākā Pulau Norfolk, Nestor productus (punah)
Nestorini
Common name
(binomial name)
status
Image Description Range and habitat
Kea

(Nestor notabilis)
Vulnerable[1]

 
48 cm (19 in) long. Mostly olive-green with scarlet underwings and rump. Dark-edged feathers. Dark brown beak, iris, legs, and feet. Male has longer bill.[2] New Zealand: South Island

High-level forests and subalpine scrublands 850–1400 m AMSL.[3]
South Island Kaka

(Nestor meridionalis meridionalis)
Endangered[4]

 
Similar to the North Island Kaka, but slightly smaller, brighter colours, the crown is almost white, and the bill is longer and more arched in males.[5] New Zealand: South Island

Unbroken tracts of Nothofagus and Podocarpus forests 450–850 m AMSL in summer and 0–550 m in winter.[3]
North Island Kaka

(Nestor meridionalis septentrionalis)
Endangered[4]

 
About 45 cm (18 in) long. Mainly olive-brown with dark feather edges. Crimson underwings, rump, and collar. The cheeks are golden/brown. The crown is greyish.[5] New Zealand: North Island

Unbroken tracts of Nothofagus and Podocarpus forests between 450–850 m AMSL in summer and 0–550 m in winter.[3]
Norfolk Kaka

(Nestor productus)
Extinct by 1851 approx.[6]

 
About 38 cm long. Mostly olive-brown upperparts, (reddish-)orange cheeks and throat, straw-coloured breast, thighs, rump and lower abdomen dark orange.[7] Formerly endemic on Norfolk Island and Phillip Island of Australia[8]

Rocks and trees[7]
Chatham Kaka

(Nestor sp.)
Extinct by 1550–1700[9]

Appearance unknown, but bones indicate reduced flight capability. Only known from subfossil bones.[9] Formerly endemic on Chatham Island of New Zealand

Forests[9]

Referensi

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  1. ^ BirdLife International (2008). "Nestor notabilis". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Diakses tanggal 24 December 2008.  Database entry includes a range map and justification for why this species is endangered.
  2. ^ "Kea - BirdLife Species Factsheet". BirdLife International. 2008. 
  3. ^ a b c Juniper, Tony (1998). Parrots: A Guide to Parrots of the World. Yale University Press. ISBN 978-0300074536. 
  4. ^ a b BirdLife International (2008). "Nestor meridionalis". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Diakses tanggal 24 December 2008.  Database entry includes a range map and justification for why this species is endangered.
  5. ^ a b "Kaka - BirdLife Species Factsheet". BirdLife International. 2008. 
  6. ^ BirdLife International (2008). "Nestor productus". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Diakses tanggal 24 December 2008.  Database entry includes a range map and justification for why this species is endangered.
  7. ^ a b Forshaw, Joseph M. (1981) [1973, 1978]. Parrots of the World (edisi ke-corrected second edition). David & Charles, Newton Abbot, London. ISBN 0-7153-7698-5. 
  8. ^ "Norfolk Island Kaka - BirdLife Species Factsheet". BirdLife International. 2008. 
  9. ^ a b c Millener, P. R. (1999). "The history of the Chatham Islands' bird fauna of the last 7000 years – a chronicle of change and extinction. Proceedings of the 4th International meeting of the Society of Avian Paleontology and Evolution (Washington, D.C., June 1996)." Smithsonian Contributions to Paleobiology. 89: 85–109.