Aptenodytes forsteri
The largest and heaviest of all living penguin species, the Emperor Penguin is the only animal that breeds during the Antarctic winter — enduring temperatures of -60°C and winds of 200 km/h to raise their young.
Height
1.2m
Weight
40kg
Lifespan
20 years
Conservation Status
Endangered
Up to 5,000 penguins pack together in a slow-moving huddle, generating core temperatures of 37°C. Each penguin takes turns at the cold outer edge — a democratic survival system found nowhere else in nature.
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Each breeding season, emperor penguins walk up to 120km across frozen sea ice to reach their inland colony — through total darkness and blizzards. It is the longest march of any bird on Earth.
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In a colony of 10,000+ birds, a parent and chick can identify each other purely by voice within seconds. Each call is a unique acoustic fingerprint, reliable even in storm-level noise.
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Emperor penguin fathers do not eat a single bite for the entire 65-day incubation period. They survive entirely on stored fat reserves — the longest voluntary fast of any warm-blooded animal.
Read MoreThe global distribution of all 18 penguin species. Hover or tap markers to explore their conservation status, population size, habitats, and facts.
Pygoscelis antarcticus
A narrow black band under their chin gives them their name.
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Pygoscelis adeliae
Distinctive white rings around their eyes make them look surprised.
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Aptenodytes patagonicus
Looking much like emperor penguins, they are the second largest.
Learn MorePygoscelis papua
The fastest underwater swimmers of all penguins, reaching 36 km/h.
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Eudyptula minor
Standing only 33cm tall, they are the smallest penguin species.
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