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

Adelie Penguin

Little Blue Penguin
Size Comparison
Adelie Penguin
46-71 cm
3.6-6 kg
Little Blue Penguin
30-33 cm
1-1.5 kg
| Feature | Adelie Penguin | Little Blue Penguin |
|---|---|---|
| Conservation | Least Concern | Least Concern |
| Scientific Name | Pygoscelis adeliae | Eudyptula minor |
| Height | 46-71 cm | 30-33 cm |
| Weight | 3.6-6 kg | 1-1.5 kg |
| Lifespan | 10-20 years | 6-25 years |
| Population | ~7,580,000 pairs | ~469,760 individuals |
| Diet | Krill, Fish, Squid | Small fish, Squid, Crustaceans |
| Habitat | Antarctic coastline, Rocky shores | Rocky coastlines, Burrows, Coastal forests |
| Regions | Antarctica, South Shetland Islands, South Orkney Islands | New Zealand, Southern Australia |
| Genus | Pygoscelis | Eudyptula |
Conservation Status
Adelie Penguin
Least ConcernLittle Blue Penguin
Least ConcernScientific Name
Adelie Penguin
Pygoscelis adeliae
Little Blue Penguin
Eudyptula minor
Height
Adelie Penguin
46-71 cm
Little Blue Penguin
30-33 cm
Weight
Adelie Penguin
3.6-6 kg
Little Blue Penguin
1-1.5 kg
Lifespan
Adelie Penguin
10-20 years
Little Blue Penguin
6-25 years
Population
Adelie Penguin
~7,580,000 pairs
Little Blue Penguin
~469,760 individuals
Diet
Adelie Penguin
Krill, Fish, Squid
Little Blue Penguin
Small fish, Squid, Crustaceans
Habitat
Adelie Penguin
Antarctic coastline, Rocky shores
Little Blue Penguin
Rocky coastlines, Burrows, Coastal forests
Regions
Adelie Penguin
Antarctica, South Shetland Islands, South Orkney Islands
Little Blue Penguin
New Zealand, Southern Australia
Genus
Adelie Penguin
Pygoscelis
Little Blue Penguin
Eudyptula
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 PenguinLittle 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 PenguinFrequently Asked Questions
Which is bigger, Adelie Penguin or Little Blue Penguin?
The Adelie Penguin is larger, standing up to 71cm tall compared to the Little Blue Penguin's 33cm.
Which is more endangered, Adelie Penguin or Little Blue Penguin?
The Adelie Penguin is classified as "Least Concern" while the Little Blue Penguin is "Least Concern".
Do Adelie Penguins and Little Blue Penguins live in the same area?
Adelie Penguins are found in Antarctica, South Shetland Islands, South Orkney Islands. Little Blue Penguins are found in New Zealand, Southern Australia.
