WKiwi or kiwis are flightless birds endemic to New Zealand, in the genus Apteryx and family Apterygidae. Approximately the size of a domestic chicken, kiwi are by far the smallest living ratites.
WThe 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.
WThe little spotted kiwi, or little grey kiwi, Apteryx owenii, is a small flightless bird in the kiwi family Apterygidae. It is the smallest species of all 5 kiwis, at about 0.9 to 1.9 kg (2.0–4.2 lb), about the size of a bantam. It is endemic to New Zealand, and in pre-European times occurred in both main islands, but is now restricted to a number of small offshore islands and mainland reserves protected by pest-exclusion fences.
WThe 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, is the most common kiwi. This bird holds the world record for laying the largest eggs relative to its body size.
WThe Okarito kiwi also known as the rowi or Okarito brown kiwi, is a member of the kiwi family Apterygidae, described as new to science in 2003. The species is part of the brown kiwi complex, and is morphologically very similar to other members of that complex. It is found in a restricted area of the Okarito forest on the West Coast of New Zealand's South Island, and has a population of about only 600 birds. Some Okarito brown kiwi may live up to 100 years.
WThe southern brown kiwi, tokoeka, or common kiwi is a species of kiwi from New Zealand's South Island. Until 2000 it was considered conspecific with the North Island brown kiwi, and still is by some authorities.
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