We will explain the characteristics, ecology, and habitat of rockhopper penguins. Rockhopper penguins actually have subspecies and are divided into other types. It has a wider range of habitat than any other species in the Macaroni penguin genus, which is why subspecies have emerged.
Basic information about rockhopper penguins
Rockhopper penguins are birds belonging to the Macaroni penguin genus. The scientific name is Eudyptes chrysocome. This penguin is 50-60cm long and lives near Antarctica. This penguin has a fairly wide range of habitats, and it gets its name because it jumps up and down rocks.
| Japanese（和名） | イワトビペンギン |
| English（英名） | Rockhopper Penguin |
| scientific name(学名) | Eudyptes chrysocome |
| classification（分類） | Sphenisciformes, Spheniscidae, Eudyptes ペンギン目ペンギン科マカロニペンギン属 |
| IUCN Status(保全状況) | VULNERABLE |
| Height（身長） | 50-60cm |
| Weight（体重） | 2-5kg |
What will happen to the classification?
Rockhopper penguins belong to the Macaroni penguin genus. The genus name is derived from the ancient Greek eu “good” and dyptes “diver”. “Macaroni” is an 18th century British word that refers to “date man.”
| 名前：Name | Gropu：属名 | 生息地: habit |
| フィヨルドランドペンギン(Fiordland penguin) | Eudyptes マカロニペンギン属 | New Zealand ニュージーランド |
| シュレーターペンギン(Erect-Crested Penguin) | Eudyptes マカロニペンギン属 | New Zealand ニュージーランド |
| スネアーズペンギン(Snares Islands Penguin) | Eudyptes マカロニペンギン属 | New Zealand ニュージーランド |
| マカロニペンギン(Macaroni Penguin) | Eudyptes マカロニペンギン属 | Antarctica 南極大陸 |
| ロイヤルペンギン(Royal Penguin) | Eudyptes マカロニペンギン属 | Antarctica 南極大陸 |
| イワトビペンギン(Rockhopper Penguin) | Eudyptes マカロニペンギン属 | South Atlantic, Indian Ocean, Falkland Islands 南大西洋、インド洋、フォークランド諸島 |
About the habitat of rockhopper penguins
The rockhopper penguin’s habitat is islands near Antarctica.
feature is? What kind of creature is it?
Rockhopper penguins are the smallest of any species in the Macaroni penguin genus. Rockhopper penguins have decorative feathers that spread out behind their eyes. Their most distinctive feature is that they do not waddle like other penguins, but move by hopping with both feet together. The average dive time is 53-193 seconds and the depth is 10.4-44.2 m. Rockhopper penguins live in colonies.
variants exist
There are subspecies of rockhopper penguins. There are three species: Eastern Rockhopper Penguin, Northern Rockhopper Penguin, and Southern Rockhopper Penguin. Each has a different habitat.
| Northern Rockhopper Penguin キタイワトビペンギン | Mid-South Atlantic Ocean, South Indian Ocean 南大西洋中部、南インド洋 |
| Eastern Rockhopper Penguin ヒガシイワトビペンギン | Prince Edward Islands, Kerguelen Island, Antipas Islands プリンスエドワード諸島、ケルゲレン島、アンティポーズ諸島 |
| Southern Rockhopper Penguin ミナミイワトビペンギン | Falkland Islands、Argentina、 Chile フォークランド諸島からアルゼンチン、チリ |
What will your personality look like?
This is a very aggressive and quarrelsome penguin. This animal will attack even if it is a larger animal than itself, so you need to be careful.
What is the ecology of rockhopper penguins?
Rockhopper penguins subsist on fish and crustaceans. The breeding season is from October to November, and nests are built with twigs and stones, but fights often occur over nest-building materials. Two eggs are laid and the incubation period is 30-40 days. The chicks form a kleish and live there. Lifespan is around 20 years.
What are the natural enemies of rockhopper penguins?
Rockhopper penguins’ natural enemies include great skuas, giant petrels, fur seals, and sea lions.
Is the rockhopper penguin an endangered species?
The estimated population of rockhopper penguins is 3.68 million. Currently, it is on the decline, due to the following reasons:
Competition with fishing industry
Human populations are also increasing, and we are now catching more fish through fishing. This makes it difficult for macaroni penguins to secure food. Furthermore, due to global warming, it is no longer possible to catch fish that used to be nearby.
Effects of marine pollution
There is also the impact of marine pollution. Chemicals are flowing into the ocean from oil tankers, causing further pollution. It is also believed that female penguins’ reproductive ability is declining.
Is it possible to keep rockhopper penguins?
Rockhopper penguins are listed as an endangered species. Furthermore, since the animals live near Antarctica, equipment that can reproduce that environment at room temperature is required, which can be quite a hurdle.
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