Standing up to 30 inches tall with a distinctive orange-red bill and white eye patches, these charismatic waddlers are the third-largest penguin species in Antarctica.

Visual Identification

Appearance

Gentoo Penguins are distinctive with their black back, white front, and bright orange-red bill. They have a white patch behind each eye extending to meet on top of the head, creating a cap-like appearance. Their flippers are black on top and white underneath.

Adults and juveniles share similar colouration, though juveniles may have slightly duller bills. There is no significant seasonal variation in their plumage.

Size

Length

75cm to 90cm

Wingspan

84cm to 91cm

Weight

4.5kg to 8.5kg

Colours

Males and females have similar plumage

Primary Colour

Black White

Beak Colour

Orange Red

Leg Colour

Orange

Special Accolade

Fastest Swimming Bird

Highest recorded swimming speed among birds

Record: 36 km/h (22 mph)

Habitat and Distribution

Habitats

Woodland

Garden

Wetland

Coastal

Urban

Farmland

Grassland

Desert

Tundra

Rainforest

Mountain

Savanna

Distribution

Gentoo Penguins inhabit the Antarctic Peninsula and various subantarctic islands, including South Georgia, the Falkland Islands, and the Kerguelen Islands. They prefer ice-free areas for nesting, often choosing flat or gently sloping beaches and rocky areas near the shore.

Unlike some penguin species, Gentoos do not migrate long distances. However, they may move locally due to changing ice conditions and food availability.

Elevation Range

Sea level to 200 meters

Climate zones

Subantarctic, Antarctic

Distribution Map

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Resident
Breeding
Non-breeding
Vagrant

Distribution by Region

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Behaviour and Ecology

Bird Attributes

Tap the icon next to each attribute for more information.

Agility 85
Strength 75
Adaptability 70
Aggressiveness 45
Endurance 80

Diet

Gentoo Penguins primarily feed on crustaceans, particularly krill, as well as small fish and squid. They are opportunistic feeders, adapting their diet based on local prey availability.

These penguins can dive up to 200 meters deep in search of food, though most dives are shallower.

Behaviour

Gentoo Penguins are excellent swimmers, capable of reaching speeds up to 36 km/h (22 mph) underwater. They are known for their waddling gait on land and their habit of using their tails as a prop when standing.

These penguins are generally colonial but less gregarious than other penguin species, often nesting in smaller, more dispersed groups.

Vocalisation

Gentoo Penguins are vocal birds known for their loud, trumpeting calls. During courtship and territorial displays, they produce a series of rhythmic braying sounds, often described as 'donkey-like.'

Chicks emit high-pitched whistles when begging for food from their parents.

Nesting & Breeding

Gentoo Penguins typically form monogamous pairs and breed annually. The breeding season varies by location but generally occurs during the austral spring and summer, from October to March.

Nests are simple circular structures made of pebbles, grass, and feathers. Females usually lay two eggs, which are greenish-white and spherical. Both parents take turns incubating the eggs.

Incubation lasts about 34-36 days. Chicks fledge at 85-117 days old, depending on food availability. Parents continue to feed the chicks for several weeks after they leave the nest.

Lifespan

Typical Lifespan Range 12 - 15 years
Max Recorded Lifespan 41 years [1]
0
11
22
32
43

years

The Gentoo Penguin typically lives for 12 to 15 years, with a maximum recorded lifespan of 41 years.

Like all birds, lifespan can be affected by factors including predation, habitat quality, disease, and access to food sources.

Conservation and Status

Global Conservation Status

Least Concern [2]

While listed as Least Concern globally, some Gentoo Penguin populations are declining due to climate change impacts on their habitat and food sources.

Conservation efforts focus on protecting breeding sites and monitoring population trends to inform management strategies.

Population Data

Global Population Estimate

774,000 mature individuals [3]

Global Population Trend

Stable[4]

Birdwatching Tips

  • Look for Gentoo Penguins on rocky, ice-free areas near the shore
  • Observe their distinctive waddling gait and upright posture on land
  • Watch for their porpoising behaviour when swimming near the surface
  • Listen for their loud, trumpeting calls, especially in breeding colonies

Additional Information

Quick Facts

Other names:

Johnny penguin, John penguin

Family:

Spheniscidae

Predators

Main predators include leopard seals, orcas, and skuas. On land, eggs and chicks are vulnerable to predation by gulls and other seabirds.

Did You Know?

  1. Gentoo Penguins are the fastest underwater swimmers of all penguin species.
  2. They have a unique courtship ritual involving males presenting pebbles to females.
  3. Gentoos are the only penguin species to lay eggs of different sizes within a clutch.

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References

  1. 2 4

    website: BirdLife International. 2020. Pygoscelis papua. The IUCN Red List of Threatened Species 2020: e.T22697755A157664581.

    View source
  2. 3

    report, 2013: Lynch

  3. 1

    website: 41-year-old penguin from Danish zoo breaks record with her extraordinary age

    View source