マダガスカルオオタカ vs ハクトウワシ
Accipiter henstii 比較対象 Haliaeetus leucocephalus
Side-by-Side Comparison
| 属性 | マダガスカルオオタカ | ハクトウワシ |
|---|---|---|
| 学名 | Accipiter henstii | Haliaeetus leucocephalus |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | 79.0 cm (31.1 in) |
| 翼開長 | 58.1 cm (22.9 in) | 203.0 cm (79.9 in) |
| 体重 | 903.0 g (31.85 oz) | 4300.0 g (151.68 oz) |
| 食性 | -- | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … |
| 一腹卵数 | 2-3 | 1-4 |
| 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
マダガスカルオオタカ
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.
Geographic Range & Migration
マダガスカルオオタカ
ハクトウワシ
North America from Alaska and Canada through the contiguous United States to northern Mexico.
保全状況
マダガスカルオオタカ
ハクトウワシ
How to Tell Them Apart
マダガスカルオオタカ
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
About These Birds
マダガスカルオオタカ
Henst's Goshawk (<em>Accipiter henstii</em>) is a large forest raptor in the family Accipitridae, the hawks, eagles, and kites. It is endemic to Madagascar, where it inhabits forest environments including the island's remaining primary rainforest. This species is assessed as Vulnerable by the IUCN, reflecting ongoing population declines driven by deforestation and habitat loss across Madagascar. It is considered one of the larger Malagasy raptors. Nesting data indicate an incubation period of approximately 39 to 40 days, with fledging occurring at …
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。