ハクトウワシ vs Superb Fairywren
Haliaeetus leucocephalus 比較対象 Malurus cyaneus
Side-by-Side Comparison
| 属性 | ハクトウワシ | Superb Fairywren |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Malurus cyaneus |
| 目 | Accipitriformes | Passeriformes |
| 科 | Accipitridae | Maluridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 79.0 cm (31.1 in) | 14.0 cm (5.5 in) |
| 翼開長 | 203.0 cm (79.9 in) | 16.0 cm (6.3 in) |
| 体重 | 4300.0 g (151.68 oz) | 10.0 g (0.35 oz) |
| 食性 | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | Primarily insects and other small invertebrates gleaned from low vegetation. Also takes seeds and small … |
| 一腹卵数 | 1-4 | 2-4 |
| 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.
Superb Fairywren
Dense undergrowth in eucalyptus woodland, gardens, parks, and heath throughout southeastern 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.
Superb Fairywren
An extremely complex, melodic song: a long series of trills and warbles delivered rapidly. Males sing throughout the day. Alarm is a sharp 'tseet'. Among Australia's finest singers.
Geographic Range & Migration
ハクトウワシ
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Superb Fairywren
Southeastern Australia from Queensland through New South Wales, Victoria, to South Australia and Tasmania.
保全状況
ハクトウワシ
Superb Fairywren
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
Superb Fairywren
Breeding males have a brilliant violet-blue crown, ear coverts, and mantle with a black throat band. Non-breeding males and females are plain brown with a blue tail.
Fine, pointed, dark 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。
Superb Fairywren
The superb fairywren is one of Australia's most beloved and recognizable birds, with breeding males dressed in spectacular violet-blue plumage. These tiny birds live in cooperative family groups where helpers assist the breeding pair in raising young. Males pluck and present yellow flower petals to females as part of courtship.