North Island Brown Kiwi vs Little Spotted Kiwi
Apteryx mantelli 비교 대상 Apteryx owenii
Side-by-Side Comparison
| 속성 | North Island Brown Kiwi | Little Spotted Kiwi |
|---|---|---|
| 학명 | Apteryx mantelli | Apteryx owenii |
| 목 | Apterygiformes | Apterygiformes |
| 과 | Apterygidae | Apterygidae |
| 보전 상태 | Vulnerable | Near Threatened |
| 체장 | — | — |
| 날개 폭 | — | — |
| 체중 | 2602.5 g (91.80 oz) | 1296.5 g (45.73 oz) |
| 식성 | Probes North Island soils nocturnally for earthworms, cicada larvae, and huhu grubs; takes forest fruits … | Probes leaf litter and friable soil for small earthworms, beetle larvae, and spiders on Kapiti … |
| 산란 수 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
North Island Brown Kiwi
Subtropical and temperate forests, scrubland, grassland, and modified pasture on North Island, New Zealand. Nests in burrows under tree roots. Tolerates some habitat fragmentation but requires predator control to survive.
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
North Island Brown Kiwi
Male gives a shrill, rising 'kee-wee-kee-wee', female a lower, rougher 'kurr-kurr-kurr'. Calls echo through North Island forest at dusk and dawn during their nocturnal forays.
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
North Island Brown Kiwi
Endemic to New Zealand's North Island; occupies forest fragments from Northland to Wellington. Flightless, non-migratory, and nocturnal.
Little Spotted Kiwi
Restricted to Little Barrier, Kapiti, and a few other offshore islands of New Zealand. Flightless and sedentary; critically endangered.
보전 상태
North Island Brown Kiwi
Little Spotted Kiwi
How to Tell Them Apart
North Island Brown Kiwi
Coarse, bristly dark rufous-brown feathers heavily streaked with blackish-brown. Lacks visible wings and tail. Sexes similar but females larger. Bill long and pale ivory. Legs robust and pale.
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
North Island Brown Kiwi
북부 갈색 키위는 뉴질랜드 북섬에 서식하는 가장 일반적인 키위 종입니다. 날지 못하는 야행성 새로, 긴 부리 끝에 위치한 콧구멍으로 낙엽 속의 지렁이와 곤충을 냄새로 찾습니다.
Little Spotted Kiwi
작은 반점 키위는 뉴질랜드의 몇몇 섬에만 서식하는 소형 키위 새입니다. 수컷이 주로 알을 품는 것으로 알려져 있으며, 포식자 없는 섬에서 개체 수를 유지하고 있습니다.