Steller's Sea Eagleオオワシ

Haliaeetus pelagicusVU— Vulnerable

Steller's sea eagle is one of the largest and heaviest eagles in the world, breeding along Russia's Kamchatka Peninsula, the Sea of Okhotsk coast, and the lower Amur River, with wintering birds reaching Korea, Japan, and China. It feeds mainly on salmon and other fish, supplemented by waterbirds, small mammals, and carrion. Classified as Vulnerable with a declining population estimated at around 5,000 individuals, it is protected in Japan as a Natural Monument.

Steller's Sea Eagle (reference photo)
Photo: Michael Pinczolits / CC BY 2.0 / Source / cropped

Species Data

Classification
Accipitriformes / Accipitridae Source
Distribution
Endemic to northeastern Asia, breeding on Russia's Kamchatka Peninsula, near the Sea of Okhotsk, and the lower Amur River; winter migrants reach Korea, Japan, and China. Source

Did You Know?

  • Steller's sea eagles have 14 tail feathers, more than the 12 typically found in other sea eagles. Source
  • The global population is estimated at around 5,000 individuals and is declining. Source

Where to See This Species

6 facilities · 0 individuals

Asahiyama ZooHokkaidoOpened in 1967

旭川市旭山動物園のWikipedia記事に飼育種として記載 Source

横浜市立よこはま動物園 (Yokohama Shiritsu Yokohama Doubutsuen)KanagawaOpened in 1999

横浜市立よこはま動物園のWikipedia記事に飼育種として記載 Source

札幌市円山動物園 (Sapporoshimaruyama Doubutsuen)HokkaidoOpened in 1951

札幌市円山動物園のWikipedia記事に飼育種として記載 Source

東京都恩賜上野動物園 (Toukyoutoonshiueno Doubutsuen)TokyoOpened in 1882

東京都恩賜上野動物園のWikipedia記事に飼育種として記載 Source

浜松市動物園 (Hamamatsushi Doubutsuen)ShizuokaOpened in 1950

浜松市動物園のWikipedia記事に飼育種として記載 Source

福岡市動物園 (Fukuokashi Doubutsuen)FukuokaOpened in 1953

福岡市動物園のWikipedia記事に飼育種として記載 Source

Conservation Story

Conservation Status

IUCNではVU（危急）に分類されています。

Habitat

ロシア極東の海岸、河川、湖沼と、その周辺の森林。

Threats

  • 生息地の変化
  • 鉛中毒
  • 送電線などとの衝突

Conservation & Breeding Efforts

  • 越冬地と繁殖地の保全
  • 鉛弾による中毒の低減
  • 飼育下での保全教育

Sources

ja.wikipedia.org

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Furusato Nozei
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FAQ

How big is Steller's sea eagle?
It is considered the heaviest eagle species in the world, with females weighing up to 9.5 kg and a wingspan of 220–250 cm. Source
What does Steller's sea eagle eat?
It feeds mainly on fish such as salmon and pollock, along with waterbirds, small to medium mammals, and carrion including seals and whales. Source
Is Steller's sea eagle endangered?
It is classified as Vulnerable by the IUCN, with a declining global population estimated at around 5,000 individuals. Source

Source: ja.wikipedia.org en.wikipedia.org