New Zealand parrot
Family of birds / From Wikipedia, the free encyclopedia
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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] All extant species are endemic to New Zealand.[7] The species of the genus Nelepsittacus were endemics of the main islands, while the two extinct species of the genus Nestor were found at the nearby oceanic islands such as Chatham Island of New Zealand, and Norfolk Island and adjacent Phillip Island.
New Zealand parrots Temporal range: Early Miocene to present | |
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Kākā, North Island subspecies (Nestor meridionalis septentrionalis) at Auckland Zoo, New Zealand | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Psittaciformes |
Superfamily: | Strigopoidea Bonaparte, 1849 |
Family: | Strigopidae Bonaparte, 1849 |
Genera | |
Synonyms | |
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The Norfolk kākā and the Chatham kākā have become extinct in recent times,[8][9] while the species of the genus Nelepsittacus have been extinct for 16 million years. All extant species, the kākāpō, kea, and the two subspecies of the kākā, are threatened.[10][11][12] Human activity caused the two extinctions and the decline of the other three species. Settlers introduced invasive species, such as pigs, cats, foxes, weasels, rats and possums, which eat the eggs of ground-nesting birds, and additional declines have been caused by hunting for food, killing as agricultural pests, habitat loss, and introduced wasps.[13][14][15]
The family diverged from the other parrots around 82 million years ago when New Zealand broke off from Gondwana, while the ancestors of the genera Nestor and Strigops diverged from each other between 60 and 80 million years ago.[16][17]