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Little Blue Penguin vs Northern Rockhopper Penguin

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

33 cm vs 58 cmLeast Concern / Endangered
Little blue penguin emerging from burrow

Little Blue Penguin

Least Concern
Northern rockhopper penguin on remote island cliff

Northern Rockhopper Penguin

Endangered

Size Comparison

Little Blue Penguin

30-33 cm

1-1.5 kg

Northern Rockhopper Penguin

45-58 cm

2-3.4 kg

Conservation Status

Little Blue Penguin

Least Concern

Northern Rockhopper Penguin

Endangered

Scientific Name

Little Blue Penguin

Eudyptula minor

Northern Rockhopper Penguin

Eudyptes moseleyi

Height

Little Blue Penguin

30-33 cm

Northern Rockhopper Penguin

45-58 cm

Weight

Little Blue Penguin

1-1.5 kg

Northern Rockhopper Penguin

2-3.4 kg

Lifespan

Little Blue Penguin

6-25 years

Northern Rockhopper Penguin

10-30 years

Population

Little Blue Penguin

~469,760 individuals

Northern Rockhopper Penguin

~240,300 pairs

Diet

Little Blue Penguin

Small fish, Squid, Crustaceans

Northern Rockhopper Penguin

Krill, Squid, Fish, Crustaceans

Habitat

Little Blue Penguin

Rocky coastlines, Burrows, Coastal forests

Northern Rockhopper Penguin

Rocky coastlines, Cliff faces, Tussock grass

Regions

Little Blue Penguin

New Zealand, Southern Australia

Northern Rockhopper Penguin

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

Genus

Little Blue Penguin

Eudyptula

Northern Rockhopper Penguin

Eudyptes

About Each Species

Little Blue Penguin

The world's smallest penguin species at just 30–33 cm tall and around 1 kg, Little Blue Penguins are unique for their slate-blue plumage and nocturnal habits on land, returning to their burrows only after dark.

Learn more about Little Blue 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, Little Blue Penguin or Northern Rockhopper Penguin?

The Northern Rockhopper Penguin is larger, standing up to 58cm tall compared to the Little Blue Penguin's 33cm.

Which is more endangered, Little Blue Penguin or Northern Rockhopper Penguin?

The Little Blue Penguin is classified as "Least Concern" while the Northern Rockhopper Penguin is "Endangered".

Do Little Blue Penguins and Northern Rockhopper Penguins live in the same area?

Little Blue Penguins are found in New Zealand, Southern Australia. Northern Rockhopper Penguins are found in Tristan da Cunha, Gough Island, Amsterdam Island, St. Paul Island.

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