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

Adelie Penguin

Fiordland Penguin
Size Comparison
Adelie Penguin
46-71 cm
3.6-6 kg
Fiordland Penguin
51-71 cm
2.7-5.9 kg
| Feature | Adelie Penguin | Fiordland Penguin |
|---|---|---|
| Conservation | Least Concern | Vulnerable |
| Scientific Name | Pygoscelis adeliae | Eudyptes pachyrhynchus |
| Height | 46-71 cm | 51-71 cm |
| Weight | 3.6-6 kg | 2.7-5.9 kg |
| Lifespan | 10-20 years | 10-20 years |
| Population | ~7,580,000 pairs | ~5,500-7,000 pairs |
| Diet | Krill, Fish, Squid | Squid, Crustaceans, Small fish |
| Habitat | Antarctic coastline, Rocky shores | Temperate rainforest, Rocky coastlines, Dense vegetation |
| Regions | Antarctica, South Shetland Islands, South Orkney Islands | New Zealand (South Island), Stewart Island |
| Genus | Pygoscelis | Eudyptes |
Conservation Status
Adelie Penguin
Least ConcernFiordland Penguin
VulnerableScientific Name
Adelie Penguin
Pygoscelis adeliae
Fiordland Penguin
Eudyptes pachyrhynchus
Height
Adelie Penguin
46-71 cm
Fiordland Penguin
51-71 cm
Weight
Adelie Penguin
3.6-6 kg
Fiordland Penguin
2.7-5.9 kg
Lifespan
Adelie Penguin
10-20 years
Fiordland Penguin
10-20 years
Population
Adelie Penguin
~7,580,000 pairs
Fiordland Penguin
~5,500-7,000 pairs
Diet
Adelie Penguin
Krill, Fish, Squid
Fiordland Penguin
Squid, Crustaceans, Small fish
Habitat
Adelie Penguin
Antarctic coastline, Rocky shores
Fiordland Penguin
Temperate rainforest, Rocky coastlines, Dense vegetation
Regions
Adelie Penguin
Antarctica, South Shetland Islands, South Orkney Islands
Fiordland Penguin
New Zealand (South Island), Stewart Island
Genus
Adelie Penguin
Pygoscelis
Fiordland 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 PenguinFiordland Penguin
Also known as Tawaki, this elusive yellow-crested penguin nests in dense temperate rainforests along New Zealand's Fiordland coast — one of the few penguins to breed in forest environments.
Learn more about Fiordland PenguinFrequently Asked Questions
Which is bigger, Adelie Penguin or Fiordland Penguin?
Both species are similar in size, reaching up to 71cm tall.
Which is more endangered, Adelie Penguin or Fiordland Penguin?
The Adelie Penguin is classified as "Least Concern" while the Fiordland Penguin is "Vulnerable".
Do Adelie Penguins and Fiordland Penguins live in the same area?
Adelie Penguins are found in Antarctica, South Shetland Islands, South Orkney Islands. Fiordland Penguins are found in New Zealand (South Island), Stewart Island.
