North Island Brown Kiwi vs Okarito Kiwi
Apteryx mantelli 비교 대상 Apteryx rowi
Side-by-Side Comparison
| 속성 | North Island Brown Kiwi | Okarito Kiwi |
|---|---|---|
| 학명 | Apteryx mantelli | Apteryx rowi |
| 목 | Apterygiformes | Apterygiformes |
| 과 | Apterygidae | Apterygidae |
| 보전 상태 | Vulnerable | Vulnerable |
| 체장 | — | — |
| 날개 폭 | — | — |
| 체중 | 2602.5 g (91.80 oz) | 2336.25 g (82.41 oz) |
| 식성 | Probes North Island soils nocturnally for earthworms, cicada larvae, and huhu grubs; takes forest fruits … | Nocturnal feeder in Okarito rainforest; probes soft soils for earthworms, amphipods, and insect larvae near … |
| 산란 수 | 1-2 | 1-3 |
| 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.
Okarito Kiwi
Restricted to Okarito sanctuary forest and adjacent lowland podocarp-hardwood forest on the West Coast of South Island, New Zealand. Nests in burrows on the forest floor in moist dense bush. Elevation below 200 m.
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.
Okarito Kiwi
Male produces a long, clear whistled 'ooo-kee-wee', female responds with a lower, raucous 'kurrr'. The Rowi's call is softer and slightly higher-pitched than other kiwi species.
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.
Okarito Kiwi
Endemic to New Zealand's South Island. Flightless, nocturnal, and sedentary in dense temperate rainforest and alpine scrub year-round.
보전 상태
North Island Brown Kiwi
Okarito 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.
Okarito Kiwi
Grayish-brown, hair-like plumage with faint rufous streaking; paler and grayer than other brown kiwis. Facial region may show faint whitish wash. No wing or tail feathers visible. Sexes similar.
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.
Okarito Kiwi
오카리토 갈색 키위는 뉴질랜드 남섬의 오카리토 숲에만 서식하는 희귀한 키위 새입니다. 회갈색 깃털이 특징이며, 보호 번식 프로그램을 통해 개체 수를 늘리고 있습니다.