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Kiwi (/ ˈ k iː w iː / KEE-wee) [4] are flightless birds endemic to New Zealand of the order Apterygiformes.The five extant species fall into the family Apterygidae (/ ˌ æ p t ə ˈ r ɪ dʒ ə d iː /) and genus Apteryx (/ ˈ æ p t ər ɪ k s /). [5]
The kiwi genus, Apteryx, is endemic to New Zealand; 44% of the bird species native to New Zealand are endemic. [4] Kiwi are placed in the ratite family, which also includes the emu, ostrich, rhea, [7] and cassowary, as well as the extinct moa of New Zealand and elephant birds of Madagascar. All ratites are flightless. [8]
Mice, dogs, cats, stoats, weasels, pigs, goats, deer, hedgehogs, and Australian possums also put pressure upon native bird species. The flightless birds were especially sensitive. Birds like the kākāpō and kiwi were unable to fly and therefore unable to lay their eggs in elevated areas, which increases the probability of predators (e.g ...
The little spotted kiwi or little grey kiwi [2] (Apteryx owenii) is a small flightless bird in the kiwi family, Apterygidae. It is the smallest of the five kiwi species, at about 0.9 to 1.9 kg (2– 4 + 1 ⁄ 4 lb), about the size of a bantam .
Conservationists have discovered two kiwi chicks in Wellington, the first wild births for the bird in the New Zealand capital in over 150 years.
The North Island brown kiwi (Apteryx mantelli; Apteryx australis or Apteryx bulleri [5] as before 2000, still used in some sources) 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, [2] it is the most common kiwi species. The eggs laid by the North Island ...
The Okarito kiwi is a monotypic species, i.e. there are no recognised subspecies. [4] The genus name Apteryx stems from the Greek "without wings". [6] Originally assumed to be the same species as the Southern brown kiwi A. australis, DNA testing shows that the possible split off from this species was 8.2 million years ago, and the split from their closest relatives, the Northern Island brown ...
Kiwi are notable for laying eggs that are very large in relation to their body size. A kiwi egg may equal 15 to 20 percent of the body mass of a female kiwi. The smallest species of kiwi is the little spotted kiwi, at 0.9 to 1.9 kilograms (2.0–4.2 lb) and 35 to 45 centimetres (14–18 in). [18]