Great Spotted Kiwi vs Little Spotted Kiwi
Apteryx haastii ile kıyaslandığında Apteryx owenii
Side-by-Side Comparison
| Özellik | Great Spotted Kiwi | Little Spotted Kiwi |
|---|---|---|
| Bilimsel Ad | Apteryx haastii | Apteryx owenii |
| Takım | Apterygiformes | Apterygiformes |
| Familya | Apterygidae | Apterygidae |
| Koruma Durumu | Vulnerable | Near Threatened |
| Uzunluk | — | — |
| Kanat Açıklığı | — | — |
| Ağırlık | 2156,25 g (76.06 oz) | 1296,5 g (45.73 oz) |
| Beslenme | Largest kiwi; probes deep into South Island forest soils for earthworms, weta, and huhu grubs … | Probes leaf litter and friable soil for small earthworms, beetle larvae, and spiders on Kapiti … |
| Kuluçka Büyüklüğü | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Great Spotted Kiwi only
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Little Spotted Kiwi only
Hiçbiri
Great Spotted Kiwi
Subalpine shrubland, montane and alpine grassland, and beech forest at 600–1,500 m on South Island, New Zealand. Nests in burrows under tree roots or in rock piles. Tolerates cold exposed conditions.
Little Spotted Kiwi
Dense podocarp and broadleaf forest and shrubland on predator-free offshore islands including Kapiti Island, New Zealand. Nests in burrows or rock crevices. Requires moist soil with dense understorey.
Song & Call Comparison
Great Spotted Kiwi
Male emits a high, repeated whistle 'kee'; female gives a lower, grating 'kurr-kurr'. The Great Spotted Kiwi's calls are the most powerful of all kiwi species, carrying furthest.
Little Spotted Kiwi
Male gives a very high-pitched 'ki-ki-ki' whistle; female call is lower and slower 'kriii'. The smallest kiwi; its voice is correspondingly higher-pitched than its relatives.
Geographic Range & Migration
Great Spotted Kiwi
Endemic to Okarito on New Zealand's South Island West Coast. Flightless, non-migratory; inhabits kahikatea swamp forest year-round.
Little Spotted Kiwi
Restricted to Little Barrier, Kapiti, and a few other offshore islands of New Zealand. Flightless and sedentary; critically endangered.
Koruma Durumu
Great Spotted Kiwi
Little Spotted Kiwi
How to Tell Them Apart
Great Spotted Kiwi
Grayish-brown hair-like feathers with bold white and dark brown banding, creating heavily spotted pattern on body. Largest spotted kiwi. Pale gray wash on face and throat. Sexes similar.
Little Spotted Kiwi
Fine, soft grayish-white feathers with intricate brown and black barring producing a mottled spotted pattern. Smallest of all kiwis. Sexes similar but females larger. Hair-like plumage texture.
About These Birds
Great Spotted Kiwi
The largest kiwi, heavily built with grey-brown plumage banded with reddish-brown. Nocturnal, highly territorial, and monogamous with long-term pair bonds. Feeds on earthworms, beetles, and berries by deep probing. Endemic to montane South Island. Unusually, both sexes share incubation duties.
Little Spotted Kiwi
The smallest kiwi weighing around 1 kg, with pale grey plumage finely barred with brown. Nocturnal and insectivorous. Now survives mainly on predator-free Kapiti Island after mainland extinction from introduced predators. Population recovering under intensive management.