ハクトウワシ vs ワシノスリ
Haliaeetus leucocephalus 比較対象 Geranoaetus melanoleucus
Side-by-Side Comparison
| 属性 | ハクトウワシ | ワシノスリ |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Geranoaetus melanoleucus |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 79.0 cm (31.1 in) | — |
| 翼開長 | 203.0 cm (79.9 in) | 99.2 cm (39.1 in) |
| 体重 | 4300.0 g (151.68 oz) | 2457.25 g (86.68 oz) |
| 食性 | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | -- |
| 一腹卵数 | 1-4 | 1-3 |
| 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.
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.
ワシノスリ
Geographic Range & Migration
ハクトウワシ
North America from Alaska and Canada through the contiguous United States to northern Mexico.
ワシノスリ
保全状況
ハクトウワシ
ワシノスリ
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
ワシノスリ
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。
ワシノスリ
The Black-chested Buzzard-eagle is a large, powerful hawk of open Andean landscapes and adjacent lowlands in South America, from Colombia south to Tierra del Fuego. It has a distinctive dark grey breast and blackish upperparts contrasting with white underparts barred with grey. It inhabits open and semi-open country including grasslands, shrubby hillsides, and forest edges, feeding on rabbits, rodents, and other medium-sized vertebrates.