Adelie penguinアデリーペンギン
Pygoscelis adeliaeLC— Least Concern
The Adélie penguin is a mid-sized penguin that breeds along the entire Antarctic coastline and on nearby sub-Antarctic islands. It feeds mainly on krill and small fish, and builds nests from carefully guarded piles of pebbles during the breeding season. Although the IUCN lists it as Least Concern with a population above 10 million, some regional populations, especially on the Antarctic Peninsula, have declined sharply due to shrinking sea ice.
Adelie penguin (reference photo)
Species Data
Did You Know?
- It builds nests out of small stones, and breeding pairs often engage in fierce competition to steal good pebbles from neighboring nests. Source
- It undertakes extensive seasonal movements around the Antarctic, migrating an estimated 13,000 kilometers annually. Source
- It can leap roughly 3 meters out of the water directly onto ice or rocks when hauling out. Source
Port of Nagoya Public AquariumAichi地下鉄名港線「名古屋港」駅3番出口から徒歩5分（東山線「栄」駅または名鉄線・JR線「金山」駅で名港線に乗り換え）。
公式サイトで飼育情報を確認できる（主な飼育施設）。 Source
アドベンチャーワールド (Adobencha World)WakayamaOpened in 1978
公式サイトで飼育情報を確認できる（主な飼育施設）。 Source
Osaka Aquarium KaiyukanOsakaOpened in 1990
海遊館のWikipedia記事に飼育種として記載 Source
長崎ペンギン水族館 (Nagasakipengin Suizokukan)NagasakiOpened in 2001
長崎ペンギン水族館のWikipedia記事に飼育種として記載 Source
横浜・八景島シーパラダイス (Yokohamahakkeijimashiparadaisu)Kanagawa
アデリーペンギンのWikipedia記事に飼育施設として記載 Source
東京都恩賜上野動物園 (Toukyoutoonshiueno Doubutsuen)TokyoOpened in 1882
アデリーペンギンのWikipedia記事に飼育施設として記載 Source
Conservation Story
Conservation Status
IUCNレッドリストでは低懸念(LC)。世界全体では1,000万羽を超える個体数とされるが、南極半島周辺では海氷の減少により地域的に大きく減少している個体群もある。
Habitat
南極大陸沿岸の岩場や、周辺の亜南極諸島。繁殖には氷のない裸地が必要。
Threats
- 気候変動による海氷の減少
- 観光船や調査活動による攪乱
- 漁業との餌資源の競合
- 鳥インフルエンザ(H5N1)の検出
Conservation & Breeding Efforts
- 南極条約体制下での生態系モニタリング
- 個体数調査と衛星画像を用いたコロニー監視
- 海洋保護区の設定に関する国際的な議論
Sources
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FAQ
- What do Adélie penguins eat?
- They feed mainly on Antarctic krill and small fish such as silverfish, with the balance shifting depending on location, season, and individual. Source
- Why do Adélie penguins build nests out of stones?
- They construct nests from small pebbles, which keep eggs off wet ground, and pairs often compete fiercely to steal good stones from their neighbors. Source
- Are Adélie penguins endangered?
- The IUCN classifies them as Least Concern overall, with a global population above 10 million, though some regional populations near the rapidly warming Antarctic Peninsula have declined significantly. Source
Source: ja.wikipedia.org en.wikipedia.org