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Erect-crested Penguin vs Northern Rockhopper Penguin

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

70 cm vs 58 cmEndangered / Endangered
Erect-crested penguin with distinctive upright yellow crest

Erect-crested Penguin

Endangered
Northern rockhopper penguin on remote island cliff

Northern Rockhopper Penguin

Endangered

Size Comparison

Erect-crested Penguin

50-70 cm

2.5-6 kg

Northern Rockhopper Penguin

45-58 cm

2-3.4 kg

Conservation Status

Erect-crested Penguin

Endangered

Northern Rockhopper Penguin

Endangered

Scientific Name

Erect-crested Penguin

Eudyptes sclateri

Northern Rockhopper Penguin

Eudyptes moseleyi

Height

Erect-crested Penguin

50-70 cm

Northern Rockhopper Penguin

45-58 cm

Weight

Erect-crested Penguin

2.5-6 kg

Northern Rockhopper Penguin

2-3.4 kg

Lifespan

Erect-crested Penguin

15-20 years

Northern Rockhopper Penguin

10-30 years

Population

Erect-crested Penguin

~150,000 pairs

Northern Rockhopper Penguin

~240,300 pairs

Diet

Erect-crested Penguin

Krill, Squid, Small fish

Northern Rockhopper Penguin

Krill, Squid, Fish, Crustaceans

Habitat

Erect-crested Penguin

Rocky coastlines, Sub-Antarctic islands

Northern Rockhopper Penguin

Rocky coastlines, Cliff faces, Tussock grass

Regions

Erect-crested Penguin

Bounty Islands, Antipodes Islands (New Zealand)

Northern Rockhopper Penguin

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

Genus

Erect-crested Penguin

Eudyptes

Northern Rockhopper Penguin

Eudyptes

About Each Species

Erect-crested Penguin

One of the least-known penguin species, named for distinctive upward-pointing yellow crest feathers they can raise and lower at will. They breed on two remote island groups south of New Zealand.

Learn more about Erect-crested Penguin

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

Frequently Asked Questions

Which is bigger, Erect-crested Penguin or Northern Rockhopper Penguin?

The Erect-crested Penguin is larger, standing up to 70cm tall compared to the Northern Rockhopper Penguin's 58cm.

Which is more endangered, Erect-crested Penguin or Northern Rockhopper Penguin?

The Erect-crested Penguin is classified as "Endangered" while the Northern Rockhopper Penguin is "Endangered".

Do Erect-crested Penguins and Northern Rockhopper Penguins live in the same area?

Erect-crested Penguins are found in Bounty Islands, Antipodes Islands (New Zealand). Northern Rockhopper Penguins are found in Tristan da Cunha, Gough Island, Amsterdam Island, St. Paul Island.

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