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Adelie Penguin vs Erect-crested Penguin

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

71 cm vs 70 cmLeast Concern / Endangered
Adelie penguin on rocky Antarctic shore

Adelie Penguin

Least Concern
Erect-crested penguin with distinctive upright yellow crest

Erect-crested Penguin

Endangered

Size Comparison

Adelie Penguin

46-71 cm

3.6-6 kg

Erect-crested Penguin

50-70 cm

2.5-6 kg

Conservation Status

Adelie Penguin

Least Concern

Erect-crested Penguin

Endangered

Scientific Name

Adelie Penguin

Pygoscelis adeliae

Erect-crested Penguin

Eudyptes sclateri

Height

Adelie Penguin

46-71 cm

Erect-crested Penguin

50-70 cm

Weight

Adelie Penguin

3.6-6 kg

Erect-crested Penguin

2.5-6 kg

Lifespan

Adelie Penguin

10-20 years

Erect-crested Penguin

15-20 years

Population

Adelie Penguin

~7,580,000 pairs

Erect-crested Penguin

~150,000 pairs

Diet

Adelie Penguin

Krill, Fish, Squid

Erect-crested Penguin

Krill, Squid, Small fish

Habitat

Adelie Penguin

Antarctic coastline, Rocky shores

Erect-crested Penguin

Rocky coastlines, Sub-Antarctic islands

Regions

Adelie Penguin

Antarctica, South Shetland Islands, South Orkney Islands

Erect-crested Penguin

Bounty Islands, Antipodes Islands (New Zealand)

Genus

Adelie Penguin

Pygoscelis

Erect-crested 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

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

Frequently Asked Questions

Which is bigger, Adelie Penguin or Erect-crested Penguin?

The Adelie Penguin is larger, standing up to 71cm tall compared to the Erect-crested Penguin's 70cm.

Which is more endangered, Adelie Penguin or Erect-crested Penguin?

The Adelie Penguin is classified as "Least Concern" while the Erect-crested Penguin is "Endangered".

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

Adelie Penguins are found in Antarctica, South Shetland Islands, South Orkney Islands. Erect-crested Penguins are found in Bounty Islands, Antipodes Islands (New Zealand).

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