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Northern Rockhopper Penguin vs Western Rockhopper Penguin

A side-by-side comparison of the Northern Rockhopper Penguin and Western Rockhopper Penguin, covering size, weight, habitat, diet, conservation status, and lifespan.

58 cm vs 58 cmEndangered / Vulnerable
Northern rockhopper penguin on remote island cliff

Northern Rockhopper Penguin

Endangered
Western rockhopper penguin with spiky yellow crest and red eyes

Western Rockhopper Penguin

Vulnerable

Size Comparison

Northern Rockhopper Penguin

45-58 cm

2-3.4 kg

Western Rockhopper Penguin

45-58 cm

2-3.4 kg

Conservation Status

Northern Rockhopper Penguin

Endangered

Western Rockhopper Penguin

Vulnerable

Scientific Name

Northern Rockhopper Penguin

Eudyptes moseleyi

Western Rockhopper Penguin

Eudyptes chrysocome

Height

Northern Rockhopper Penguin

45-58 cm

Western Rockhopper Penguin

45-58 cm

Weight

Northern Rockhopper Penguin

2-3.4 kg

Western Rockhopper Penguin

2-3.4 kg

Lifespan

Northern Rockhopper Penguin

10-30 years

Western Rockhopper Penguin

10-30 years

Population

Northern Rockhopper Penguin

~240,300 pairs

Western Rockhopper Penguin

~1,500,000 pairs

Diet

Northern Rockhopper Penguin

Krill, Squid, Fish, Crustaceans

Western Rockhopper Penguin

Krill, Squid, Octopus, Fish, Crustaceans

Habitat

Northern Rockhopper Penguin

Rocky coastlines, Cliff faces, Tussock grass

Western Rockhopper Penguin

Rocky coastlines, Cliff faces, Tussock grass

Regions

Northern Rockhopper Penguin

Tristan da Cunha, Gough Island, Amsterdam Island, St. Paul Island

Western Rockhopper Penguin

Falkland Islands, Chile, Argentina, New Zealand sub-Antarctic islands

Genus

Northern Rockhopper Penguin

Eudyptes

Western Rockhopper Penguin

Eudyptes

About Each Species

Northern Rockhopper Penguin

Only recognized as a separate species from the Southern Rockhopper in 2006, Northern Rockhoppers have longer, more luxuriant crest feathers and have suffered a devastating ~90% population decline over the past century.

Learn more about Northern Rockhopper Penguin

Western Rockhopper Penguin

Among the smallest crested penguins, Western Rockhoppers navigate steep rocky terrain by hopping with both feet together. Their spiky black and yellow crest feathers and bright red eyes give them a punk-rock appearance.

Learn more about Western Rockhopper Penguin

Frequently Asked Questions

Which is bigger, Northern Rockhopper Penguin or Western Rockhopper Penguin?

Both species are similar in size, reaching up to 58cm tall.

Which is more endangered, Northern Rockhopper Penguin or Western Rockhopper Penguin?

The Northern Rockhopper Penguin is classified as "Endangered" while the Western Rockhopper Penguin is "Vulnerable".

Do Northern Rockhopper Penguins and Western Rockhopper Penguins live in the same area?

Northern Rockhopper Penguins are found in Tristan da Cunha, Gough Island, Amsterdam Island, St. Paul Island. Western Rockhopper Penguins are found in Falkland Islands, Chile, Argentina, New Zealand sub-Antarctic islands.

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