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Adelie Penguin vs Royal Penguin

A side-by-side comparison of the Adelie Penguin and Royal Penguin, covering size, weight, habitat, diet, conservation status, and lifespan.

71 cm vs 76 cmLeast Concern / Near Threatened
Adelie penguin on rocky Antarctic shore

Adelie Penguin

Least Concern
Royal penguin on Macquarie Island beach

Royal Penguin

Near Threatened

Size Comparison

Adelie Penguin

46-71 cm

3.6-6 kg

Royal Penguin

65-76 cm

3-8 kg

Conservation Status

Adelie Penguin

Least Concern

Royal Penguin

Near Threatened

Scientific Name

Adelie Penguin

Pygoscelis adeliae

Royal Penguin

Eudyptes schlegeli

Height

Adelie Penguin

46-71 cm

Royal Penguin

65-76 cm

Weight

Adelie Penguin

3.6-6 kg

Royal Penguin

3-8 kg

Lifespan

Adelie Penguin

10-20 years

Royal Penguin

15-20 years

Population

Adelie Penguin

~7,580,000 pairs

Royal Penguin

~850,000 pairs

Diet

Adelie Penguin

Krill, Fish, Squid

Royal Penguin

Krill, Small fish, Squid

Habitat

Adelie Penguin

Antarctic coastline, Rocky shores

Royal Penguin

Sandy and rocky beaches, Vegetation-covered slopes

Regions

Adelie Penguin

Antarctica, South Shetland Islands, South Orkney Islands

Royal Penguin

Macquarie Island (Australia)

Genus

Adelie Penguin

Pygoscelis

Royal Penguin

Eudyptes

About Each Species

Adelie Penguin

Small, highly abundant Antarctic penguins recognized by their distinctive white eye rings. Adélies are one of only two penguin species on the Antarctic mainland and serve as key indicator species for ecosystem health.

Learn more about Adelie Penguin

Royal Penguin

Found exclusively on Macquarie Island, Royal Penguins are closely related to Macaroni Penguins but distinguished by their white or pale grey face. Their species status is still debated by scientists.

Learn more about Royal Penguin

Frequently Asked Questions

Which is bigger, Adelie Penguin or Royal Penguin?

The Royal Penguin is larger, standing up to 76cm tall compared to the Adelie Penguin's 71cm.

Which is more endangered, Adelie Penguin or Royal Penguin?

The Adelie Penguin is classified as "Least Concern" while the Royal Penguin is "Near Threatened".

Do Adelie Penguins and Royal Penguins live in the same area?

Adelie Penguins are found in Antarctica, South Shetland Islands, South Orkney Islands. Royal Penguins are found in Macquarie Island (Australia).

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