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  3. Emperor Penguin

One of the 15 penguins on WAnimals

Emperor Penguin (Aptenodytes forsteri)

Birds · Sphenisciformes · Spheniscidae

Emperor Penguin

Aptenodytes forsteri

Endangered

At very high risk of extinction in the wild in the near future.

Spotted something wrong?

The largest of all the penguins, it incubates its egg on its feet through the Antarctic winter, enduring temperatures as low as -60 °C.

Weight

22 kg – 45 kg

Size

1.1 m – 1.3 m

Life expectancy

20 years

Diet

Piscivore

Feeds mainly on fish.

Activity

Diurnal

Active mainly during the day.

Social structure

Colony

Lives in large concentrations, often for breeding reasons.

Sighting difficulty

Hard

Estimated population

Some 238,000 breeding pairs spread across 46 colonies according to the first global satellite survey (2009 season); the IUCN projects that the population will halve by the 2080s

Polar
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AI-generated images: illustrations, not photographs.

Fun facts

  • The males incubate the egg for over two months without eating.
  • It can dive to over 500 metres.
  • It gathers in colonies of thousands to conserve heat.

Life cycle and biology

Skeleton type
Vertebrate - dense bony skeleton adapted for diving, flightless bird
Habitat and environment
Coasts and sea ice of Antarctica, in a circumpolar distribution
Birth weight
~315 grams at hatching
Size at birth
Covered in pale grey down, unable to regulate their own body temperature
Sexual maturity
Female: ~5 years | Male: ~5-6 years
Gestation / incubation
62 - 66 days of incubation (the male incubates the egg alone, held between his feet)
Litter / clutch size
1 egg per clutch
Life expectancy in captivity
Up to 50 years (anecdotal observations)

Sources consulted: SeaWorld/Busch Gardens; AnAge (genomics.senescence.info); Animal Diversity Web; Global Penguin Society; Encyclopedia Westarctica; Wildlife Free; IUCN, comunicado de 9 de abril de 2026: las imágenes de satélite desde 2009 muestran descenso continuado y se proyecta que la población se reduzca a la mitad en la década de 2080 || Fretwell et al. 2012, PLOS ONE (censo global por satélite); IUCN, comunicado de 9 de abril de 2026 || IUCN, comunicado de 9 de abril de 2026: pasa de Casi amenazado a En peligro por la pérdida de hielo marino

Where to find it

Best time: November to March

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The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented.

Related species

Other species in the catalogue with the most in common with Emperor Penguin — same habitat, park, country, tags or family.

Same taxonomic family
Shares a park
Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family

How to help

The emperor penguin is classified as endangered. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

Keep exploring

Based on what we already know about emperor penguin.

Comments

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See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano
See its range on the interactive map→
Cape EvansAntarctica
Cape AdareAntarctica
Ross Sea (Marine Protected Area)Antarctica
Amanda BayAntarctica
Cape CrozierAntarctica
Mawson's Huts (Commonwealth Bay)Australia
Terra Nova BayAntarctica
Edmonson PointAntarctica
Vestfold Hills (Hawker Island)Antarctica
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CountriesAntarctica
ParksCape EvansAntarctica
TagsFlightless bird
Flightless bird
Piscivore
Diurnal
Colonial
Endangered
Near Threatened
Bird
Polar
Antarctica
Argentina
Chile
Falkland Islands
French Southern Territories
South Georgia and South Sandwich Islands