ハクトウワシ vs クロクマタカ
Haliaeetus leucocephalus 比較対象 Spizaetus tyrannus
Side-by-Side Comparison
| 属性 | ハクトウワシ | クロクマタカ |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Spizaetus tyrannus |
| 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) | 76.9 cm (30.3 in) |
| 体重 | 4300.0 g (151.68 oz) | 1024.0 g (36.12 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 |
| 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.
クロクマタカ
Geographic Range & Migration
ハクトウワシ
North America from Alaska and Canada through the contiguous United States to northern Mexico.
クロクマタカ
保全状況
ハクトウワシ
クロクマタカ
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
クロクマタカ
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。
クロクマタカ
The Black Hawk-eagle is a large, powerful forest raptor with black plumage, a prominent crest, yellow cere, and barred flight feathers visible in flight. It inhabits humid tropical forests from Mexico through Central America to Bolivia and Brazil, ranging from lowland rainforest to montane cloud forest. It preys on medium-sized birds, mammals, and reptiles, hunting within the forest canopy.