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The New Zealand parrot family, Strigopidae, [1] consists of at least three genera of parrots – Nestor, Strigops, the fossil Nelepsittacus, [2] [3] and probably the fossil Heracles. [4] The genus Nestor consists of the kea, kākā, Norfolk kākā and Chatham kākā, [5] [6] while the genus Strigops contains the iconic kākāpō. [5]
The other New Zealand parrot species are the Chatham kākā (Nestor chathamensis), which is extinct, the Chatham parakeet (Cyanoramphus forbesi) from the Chatham Islands, the Antipodes parakeet (Cyanoramphus unicolor), and the Reischek's parakeet (Cyanoramphus hochstetteri) endemic to Antipodes Islands.
The following classification is based on the most recent proposals as of 2012. [9] ... New Zealand parrots ... Lower Madeira and Upper Tapajós rivers
The four families are the Psittaculidae (Old World parrots), Psittacidae (African and New World parrots), Cacatuoidea (cockatoos), and Strigopidae (New Zealand parrots). One-third of all parrot species are threatened by extinction , with a higher aggregate extinction risk ( IUCN Red List Index ) than any other comparable bird group. [ 3 ]
Fossil records indicate that in pre-Polynesian times, the kākāpō was New Zealand's third most common bird [49] and it was widespread on all three main islands. However, the kākāpō population in New Zealand has declined massively since human settlement of the country, and its conservation status as ranked by the Department of Conservation ...
Subsequent molecular studies indicate that the earliest offshoot from the original parrot ancestors were the New Zealand parrots of the family Strigopidae, and following this the cockatoos, now a well-defined group or clade, split off from the remaining parrots, which then radiated across the Southern Hemisphere and diversified into the many ...
The three species of kākāriki (also spelled kakariki, without macrons), or New Zealand parakeets, are the most common species of parakeets in the genus Cyanoramphus, family Psittaculidae. The most commonly used name kākāriki is Māori in origin meaning "small parrot" (from kākā ‘parrot’ and riki ‘small’); [ 1 ] it has also been ...
Together with the kākāpō, and the extinct parrots in the genus Nelepsittacus, they form the parrot superfamily Strigopoidea. The Nestor's genus contains two extant parrot species from New Zealand and two extinct species from Norfolk Island, Australia and Chatham Island, New Zealand, respectively. All species are large stocky birds with short ...