ハクトウワシ vs オカメインコ
Haliaeetus leucocephalus 比較対象 Nymphicus hollandicus
Side-by-Side Comparison
| 属性 | ハクトウワシ | オカメインコ |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Nymphicus hollandicus |
| 目 | Accipitriformes | Psittaciformes |
| 科 | Accipitridae | Cacatuidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 79.0 cm (31.1 in) | 32.0 cm (12.6 in) |
| 翼開長 | 203.0 cm (79.9 in) | 40.0 cm (15.7 in) |
| 体重 | 4300.0 g (151.68 oz) | 90.0 g (3.17 oz) |
| 食性 | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | Seeds, grain, berries, and plant material. Forages on the ground in open areas. In captivity, … |
| 一腹卵数 | 1-4 | 1-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
ハクトウワシ
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.
オカメインコ
Open arid and semi-arid habitats including scrubland, farmland, and woodland near water in Australia.
Song & Call Comparison
ハクトウワシ
High-pitched, chattering whistle: a rapid 'kleek-kik-ik-ik-ik'. Surprisingly weak and thin for such a large raptor. Also gives a lower 'kwit-kwit' call near the nest.
オカメインコ
A loud, whistled 'weet' or 'weeeet'. Males whistle a melodic series; contact call is a high nasal 'ny'. Capable of mimicry in captivity. Song is relatively simple but pleasant.
Geographic Range & Migration
ハクトウワシ
North America from Alaska and Canada through the contiguous United States to northern Mexico.
オカメインコ
Interior of Australia, generally avoiding coastal areas. The second most popular pet bird worldwide.
保全状況
ハクトウワシ
オカメインコ
How to Tell Them Apart
ハクトウワシ
Adults have a dark brown body with a striking white head and tail. Juveniles are mottled brown and white, reaching full adult plumage at age five.
Large, hooked, bright yellow bill
オカメインコ
Wild-type males are grey with white wing patches, a yellow face, and bright orange cheek patches. Females are duller with barred tail undersides. Many captive color mutations exist.
Short, curved, grey bill
About These Birds
ハクトウワシ
ハクトウワシはアメリカ合衆国の国鳥で国の象徴である。DDT農薬使用により一度は絶滅の危機に瀕したが、見事な回復を遂げ、2007年に絶滅危惧種リストから外された。これらの力強い猛禽類は、2トンを超えるものもある鳥類最大の木の巣を作る。
オカメインコ
The cockatiel is the smallest member of the cockatoo family and one of the most popular pet birds globally. These gentle, intelligent parrots can learn to whistle tunes and mimic sounds. Wild cockatiels are nomadic, traveling in flocks following food and water availability across the Australian outback.