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King Penguin vs Western Rockhopper Penguin

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

95 cm vs 58 cmLeast Concern / Vulnerable
King penguin with vibrant orange markings

King Penguin

Least Concern
Western rockhopper penguin with spiky yellow crest and red eyes

Western Rockhopper Penguin

Vulnerable

Size Comparison

King Penguin

85-95 cm

11-16 kg

Western Rockhopper Penguin

45-58 cm

2-3.4 kg

Conservation Status

King Penguin

Least Concern

Western Rockhopper Penguin

Vulnerable

Scientific Name

King Penguin

Aptenodytes patagonicus

Western Rockhopper Penguin

Eudyptes chrysocome

Height

King Penguin

85-95 cm

Western Rockhopper Penguin

45-58 cm

Weight

King Penguin

11-16 kg

Western Rockhopper Penguin

2-3.4 kg

Lifespan

King Penguin

25-30 years

Western Rockhopper Penguin

10-30 years

Population

King Penguin

~2,230,000 pairs

Western Rockhopper Penguin

~1,500,000 pairs

Diet

King Penguin

Lanternfish, Squid, Small crustaceans

Western Rockhopper Penguin

Krill, Squid, Octopus, Fish, Crustaceans

Habitat

King Penguin

Sub-Antarctic islands, Rocky coastlines

Western Rockhopper Penguin

Rocky coastlines, Cliff faces, Tussock grass

Regions

King Penguin

South Georgia, Falkland Islands, Crozet Islands, Kerguelen Islands, Macquarie Island

Western Rockhopper Penguin

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

Genus

King Penguin

Aptenodytes

Western Rockhopper Penguin

Eudyptes

About Each Species

King Penguin

The second-largest penguin species, King Penguins form some of the largest and densest seabird colonies on Earth, with striking orange and yellow markings and an unusually long 14–16 month breeding cycle.

Learn more about King 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, King Penguin or Western Rockhopper Penguin?

The King Penguin is larger, standing up to 95cm tall compared to the Western Rockhopper Penguin's 58cm.

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

The King Penguin is classified as "Least Concern" while the Western Rockhopper Penguin is "Vulnerable".

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

King Penguins are found in South Georgia, Falkland Islands, Crozet Islands, Kerguelen Islands, Macquarie Island. Western Rockhopper Penguins are found in Falkland Islands, Chile, Argentina, New Zealand sub-Antarctic islands.

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