Erect-crested Penguinシュレーターペンギン
Eudyptes sclateriEN— Endangered
The erect-crested penguin is a rare crested penguin that breeds only on New Zealand's remote Bounty and Antipodes Islands. Access restrictions and harsh island logistics mean much of its biology remains poorly studied even as its population has declined sharply since the 1970s.
Erect-crested Penguin (reference photo)
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Species Data
Did You Know?
- It lays two eggs with the most extreme size difference of any crested penguin: the second egg is dramatically larger than the first, and the smaller first egg is typically lost from the nest. Source
- The population has declined from an estimated 230,000 breeding pairs in the late 1970s to about 150,000 mature individuals by the 2017 Red List assessment, leading the IUCN to classify it as Endangered. Source
稚内市立ノシャップ寒流水族館 (Wakkanai Shiritsu Noshappukanryuu Suizokukan)HokkaidoOpened in 1968
シュレーターペンギンのWikipedia記事に飼育施設として記載 Source
Conservation Story
Conservation Status
IUCNは2017年版で絶滅危惧(Endangered)に分類しており、米国の絶滅危惧種法(ESA)でも保護対象となっている。
Habitat
ニュージーランド亜南極のバウンティ諸島とアンティポデス諸島の岩場でのみ繁殖する。
Threats
- 20世紀後半からの急激な個体数減少(1970年代の約23万つがいから2017年時点で成鳥約15万羽へ)
- 生息地がニュージーランド政府により上陸規制されるほど脆弱
Sources
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FAQ
- Why is the erect-crested penguin endangered?
- Its population fell from roughly 230,000 breeding pairs in the late 1970s to about 150,000 mature individuals by 2017, a substantial decline that led the IUCN to list it as Endangered. Source
- Where does the erect-crested penguin live?
- It breeds exclusively on New Zealand's Bounty and Antipodes Islands, with vagrants occasionally recorded as far away as the Falkland Islands and Argentina. Source
Source: ja.wikipedia.org en.wikipedia.org www.iucnredlist.org