ハクトウワシ vs Emu

Haliaeetus leucocephalus 比較対象 Dromaius novaehollandiae

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Side-by-Side Comparison

属性 ハクトウワシ Emu
学名 Haliaeetus leucocephalus Dromaius novaehollandiae
Accipitriformes Casuariiformes
Accipitridae Dromaiidae
保全状況 Least Concern Least Concern
体長 79.0 cm (31.1 in) 175.0 cm (68.9 in)
翼開長 203.0 cm (79.9 in) 20.0 cm (7.9 in)
体重 4300.0 g (151.68 oz) 45000.0 g (1587.33 oz)
食性 Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in …
一腹卵数 1-4 5-24
Population Trend
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Size Comparison

Body Length
ハクトウワシ 79.0 cm
Emu 175.0 cm
翼開長
ハクトウワシ 203.0 cm
Emu 20.0 cm
体重
ハクトウワシ 4300.0 g
Emu 45000.0 g
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Habitat Comparison

共通生息地

ハクトウワシ only

Emu only

None

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.

Emu

Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.

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Song & Call Comparison

ハクトウワシ

さえずり

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.

Emu

さえずり

Deep, resonant booming grunt 'e-moo', often repeated 3 times. Females give a deep drumming call produced by an inflatable throat pouch. Generally low-pitched and far-carrying.

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Geographic Range & Migration

ハクトウワシ

North America from Alaska and Canada through the contiguous United States to northern Mexico.

Emu

Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.

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保全状況

Least Concern

ハクトウワシ

Least Concern

Emu

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How to Tell Them Apart

ハクトウワシ

羽毛

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.

くちばし

Large, hooked, bright yellow bill

Emu

羽毛

Shaggy grey-brown plumage with double-shafted feathers giving a loose, hair-like appearance. Bare blue skin on the face and neck.

くちばし

Broad, flat, dark grey bill

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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。

Emu

オーストラリア固有の世界第二位の大型鳥類。1932年の「エミュー戦争」で知られる。飛べないが速く走れる。

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