ハクトウワシ vs Eurasian Magpie
Haliaeetus leucocephalus 比較対象 Pica pica
Side-by-Side Comparison
| 属性 | ハクトウワシ | Eurasian Magpie |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Pica pica |
| 目 | Accipitriformes | Passeriformes |
| 科 | Accipitridae | Corvidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 79.0 cm (31.1 in) | 46.0 cm (18.1 in) |
| 翼開長 | 203.0 cm (79.9 in) | 56.0 cm (22.0 in) |
| 体重 | 4300.0 g (151.68 oz) | 220.0 g (7.76 oz) |
| 食性 | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | Omnivorous — insects, grains, berries, carrion, eggs, and nestlings. Caches surplus food for later retrieval. |
| 一腹卵数 | 1-4 | 2-8 |
| 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.
Eurasian Magpie
Open woodland, farmland, hedgerows, parks, and gardens. Common in suburban and urban environments across Eurasia.
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.
Eurasian Magpie
A harsh, rapid chattering 'chach-chach-chach'. Also gives a variety of whistles and clucking notes. Known to mimic other birds and sounds. Very vocal in pairs.
Geographic Range & Migration
ハクトウワシ
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Eurasian Magpie
Europe, Asia, and northwest Africa. One of the most recognizable birds across the Palearctic region.
保全状況
ハクトウワシ
Eurasian Magpie
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
Eurasian Magpie
Bold black and white pattern with iridescent blue-green gloss on the wings and long graduated tail. White scapulars and flanks contrast with the black body.
Strong, straight black 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。
Eurasian Magpie
動物で初めて鏡像認識テストに合格した非哺乳類の鳥。高い知性を持つカラス科の鳥。