We will explain the characteristics, ecology, and habitat of Humboldt penguins. Humboldt penguins are said to be the most suitable penguins for human environments, and some families keep them as pets. Humboldt penguins are penguins that can only be seen in South America, so we recommend seeing them on your trip.
- Basic information about Humboldt penguins
- What are the roots and origins of the Humboldt penguin?
- What will happen to the classification?
- About the Humboldt Penguin Habitat
- feature is? What kind of creature is it?
- What will your personality look like?
- What is the ecology of Humboldt penguins?
- Humboldt Penguin Molting
- Humboldt Penguin Diving
- Humboldt Penguin Calls
- Seasonal Activities of Humboldt Penguins
- About Humboldt Penguin Chicks
- Are Humboldt penguins an endangered species?
- Is it possible to keep Humboldt penguins?
- Zoos where Humboldt penguins are kept (Japan and Worldwide)
- Fellow members of the same group
Basic information about Humboldt penguins
Humboldt penguins are birds that belong to the Humboldt penguin genus (Cape penguin genus). The scientific name is Spheniscus humboldti. It is about 70 cm long and can be found near the coasts of Chile and Peru.
| Japanese(和名) | フンボルトペンギン |
| English(英名) | Humboldt Penguin |
| scientific name(学名) | Spheniscus humboldti |
| classification(分類) | Sphenisciformes, Spheniscidae, Spheniscus ペンギン目ペンギン科ケープペンギン属 |
| IUCN Status(保全状況) | VULNERABLE |
| Height(身長) | 60-70cm |
| Weight(体重) | 2-5kg |

What are the roots and origins of the Humboldt penguin?
The Humboldt penguin is a temperate penguin that inhabits the west coast of South America. Its name comes from the Humboldt Current that flows through this region.
The origin of penguins in general
It is believed that the ancestors of penguins evolved from seabirds that appeared in the Southern Hemisphere shortly after the extinction of the dinosaurs, approximately 60 million years ago.
The oldest fossils have been found around New Zealand and Antarctica, and it is believed that current penguin species spread from there to various parts of the Southern Hemisphere.
The lineage of the Humboldt penguin
The Humboldt penguin belongs to the genus Spheniscus.
Closely related species include:
African penguin
Magellanic penguin
Galapagos penguin
Why are they found on the west coast of South America?
The habitat of Humboldt penguins is along the coasts of
Peru
Chile
.The Humboldt Current, which flows through this area, carries cold seawater from around Antarctica.
Therefore,
sardines
anchovies
herring
squid
and other food sources are abundant, creating an environment suitable for penguins.

What will happen to the classification?
Both the Humboldt Penguin and the Humboldt Current are named after the scholar Alexander von Humboldt. There are four species of Humboldt penguins in the Humboldt penguin genus (Cape penguin genus).
| 名前:Name | 属名:Group | 生息地:habit |
| ガラパゴスペンギン(Galapagos Penguin) | Spheniscus フンボルトペンギン属 | ガラパゴス諸島 galapagos islands |
| ケープペンギン(African Penguin) | Spheniscus フンボルトペンギン属 | 南アフリカ South Africa |
| フンボルトペンギン(Humboldt Penguin) | Spheniscus フンボルトペンギン属 | チリ Chile |
| マゼランペンギン(Magellanic Penguin) | Spheniscus フンボルトペンギン属 | 南アメリカ太平洋岸 south america pacific coast |
Classification
- 界 (Kingdom): Animalia(動物界)
- 門 (Phylum): Chordata(脊索動物門)
- 綱 (Class): Aves(鳥綱)
- 目 (Order): Sphenisciformes(ペンギン目)
- 科 (Family): Spheniscidae(ペンギン科)
- 属 (Genus): Spheniscus(フンボルトペンギン属)
- 種 (Species): Spheniscus humboldti(フンボルトペンギン)
About the Humboldt Penguin Habitat
Humboldt penguins live on the west coast of South America. Their main habitat is Chile and some parts of Peru, where there is the Humboldt Current, and because they live near this area, they are called Humboldt penguins. The Humboldt Current provides a continuous source of food and is home to a huge number of seabirds.
- Geographic Distribution
Location: West coast of South America, coasts of Peru and Chile
Specific Distribution Areas:
Northern coast of Peru (La Libertad to Ica Region)
Northern coast of Chile (near Atacama Region)
Mainly found along the coast of the Humboldt Current (cold ocean current)
- Habitat
Nests on the coasts of reefs and small islands
Nests are built in the shade of rocks, small holes, or sandy burrows
Prefers locations close to the ocean, where it is easy to catch fish
- Ecological Characteristics
Prefers areas with cold ocean currents and an abundance of small fish (anchovies, sardines, etc.)
Breeding and nesting depend on the amount of food and seawater temperature
Live in schools and cooperate to forage

feature is? What kind of creature is it?
The Humboldt penguin’s head and upper surface are black. The thorax and abdomen are white with black spots. The iris is reddish-brown, and there is a single black stripe line on the thorax. Humboldt penguins form colonies. They are very cooperative and don’t cheat. They mainly molt in January in Peru and February in Chile. As a penguin, they can only dive to shallow depths, about 27 meters. Dive time is 1 to 2 minutes.
- Physical Characteristics
Body Length: Approximately 65-70 cm
Weight: Approximately 3-5 kg
Body Type: Medium-sized and stocky
Plumage/Pattern:
Black back, white belly
Black bands on the chest, distinctive black and white markings on the head
Large areas of white around the eyes and face make individual fish easy to identify
Beak: Medium-length and sturdy, adapted for catching fish
- Behavior/Movement
Very agile swimmers in the water, chasing fish and squid
On land, they waddle and move socially in groups
During the breeding season, they build nests in pairs and work together to raise their chicks
- Diet
Mainly feeds on small fish (anchovies, sardines, etc.)
Also eats squid and crustaceans
The amount and type of food they eat is influenced by ocean currents and seasonal fluctuations
- Reproduction and Lifespan
Breed once or twice a year, laying one or two eggs in a burrow or in the shade of a rock.
Both parents take turns incubating and raising the eggs.
Their lifespan in the wild is approximately 10 to 15 years.
- Personality and Behavioral Characteristics
Highly social, they forage cooperatively in groups.
Agile and active in the water, cautious on land.
They may show territoriality during the breeding season.
What will your personality look like?
Humboldt penguin species tend to have the same overall personality and are thoughtful. Humboldt penguins are relatively domesticated animals and have a high affinity for humans. As a hostile behavior, they may bend down, twist their neck, and look at the opponent with one eye.
- Sociality
They often live in groups, cooperatively foraging for food.
During the breeding season, they build nests in pairs or small groups.
- Vigilance
On land, they are somewhat cautious and wary of humans and predators.
In the sea, they are very agile and can quickly flee if they sense danger.
- Activity
They are active and agile when hunting in the water.
They chase fish very quickly, appearing to play.
On land, they waddle.
- Stubbornness/Independence
During the breeding season, they demonstrate territoriality to protect their nests and chicks.
Otherwise, they are relatively cooperative and follow the group.
- Impression from Humans
On land, they waddle in a cute way.
In the sea, they are agile and enjoyable to watch.
They are curious yet cautious.
What is the ecology of Humboldt penguins?
The Humboldt penguin’s diet consists of fish, squid, and crustaceans. The marriage style is monogamous, and the breeding season often takes place from April to May. They lay two eggs, the interval between eggs is 2-3 days, and the incubation period is about 40 days, and the chicks tend not to form a “crache”. The average lifespan is about 25 years.
- Habitat
Location: West coast of South America (northern Peru to northern Chile)
Environmental Conditions:
Live along the cold Humboldt Current
Nests on reefs, small islands, caves, and burrows
Prefers locations close to the ocean, where it is easy to catch fish
- Diet
Main Food: Small fish (anchovies, sardines, etc.), squid, and crustaceans
Hunting Method: Dive and chase prey
The amount and type of food is affected by seasonal and ocean current fluctuations
- Breeding
Breeding season: once or twice a year
Lays one or two eggs in the shade of rocks or in burrows
Both parents take turns incubating and raising the eggs
Chicks leave the nest within a few weeks and learn how to swim and forage from their parents
- Behavior
Live in groups and cooperate to forage.
Waddle on land and swim agilely in water.
During breeding season, they demonstrate territoriality to protect their nests and chicks.
- Lifespan
Approximately 10-15 years in the wild.
Survival rates vary depending on food availability, predators, and ocean current fluctuations.
What are the natural enemies of Humboldt penguins?
Natural enemies of the Humboldt penguin include the Setura fox, Peruvian gull, southern skua, and black vulture, and their eggs and chicks are particularly likely to be targeted. Nests in the wild are particularly disturbed.

Humboldt Penguin Molting
Humboldt penguins molt once a year, replacing all of their feathers.
Penguin feathers are very dense to maintain waterproofing and insulation, and they cannot survive in the sea without regularly replacing damaged feathers. Therefore, Humboldt penguins undergo a complete molt, replacing all their feathers at once in a short period.
Before Molting
For several weeks before molting, they feed actively in the sea.
The main purposes are:
To accumulate body fat
To increase weight
To prepare for fasting during molting
They become plumper than usual during this period.
During Molting
Once molting begins, they spend time on land and rocky areas.
The molting period is generally:
Approximately 2-3 weeks
It may be slightly longer for some individuals.
During this period,
a large amount of feathers fall out.
Waterproofing is lost.
They cannot enter the sea.
They cannot catch food.
Therefore, they are almost completely without food.
After molting,
when new feathers grow in,
waterproofing is restored.
Their ability to retain heat improves.
They can go out to sea again.
They resume foraging.
After molting, they actively catch fish to regain the weight they lost.
Humboldt Penguin Diving
Humboldt penguins are excellent divers living in the cold waters off the west coast of South America. They primarily hunt and forage for fish underwater, spending most of their day foraging.
Diving Depth
Diving depth is typically between 10 and 30 meters during normal foraging.
They can sometimes dive to over 50 meters.
There are records of them reaching around 100 meters in some cases.
However, since most of their prey is found in relatively shallow waters, they usually dive to shallower depths.
Diving Duration
Typical dive duration is:
Approximately 1-2 minutes
Longer dives can last 2-3 minutes
They repeatedly dive and surface while searching for prey.
Swimming Speed
They swim underwater using their wings like flapping them.
Normal speed: Approximately 5-10 km/h
When chasing prey: Speeds can reach over 15 km/h
Because of its appearance, it is also called a “bird that flies over the sea.”

Humboldt Penguin Calls
Humboldt penguins are a relatively vocal species of penguin. Like African penguins and Magellanic penguins (both belonging to the same genus, Scutellaria), they use vocalizations to communicate with their peers and family.
What kind of sounds do they make?
The typical calls of Humboldt penguins are:
“Ho-ho, ho-ho”
“Ah-oh, ah-oh”
“Gu-oh, gu-oh”
These are low, resonant sounds.
During the breeding season, they may stretch their necks and look towards the sky, calling loudly.
The Role of Vocalizations
① Courtship and Pair Formation
During the breeding season, males call loudly to:
Attract females
Maintain the pair relationship
These are the roles of these calls.
② Territorial Claim
Near the nest,
they may call out to mean:
“This is my nest.”
“Please don’t come near me.”
③ Parent-Child Recognition
Many penguins gather in breeding grounds, but
parents can distinguish the chicks’ calls.
Chicks remember their parents’ calls.
This allows them to be reunited even in crowded colonies.
Seasonal Activities of Humboldt Penguins
Humboldt penguins primarily inhabit the coastal areas of Peru and Chile.
Their habitat is relatively warm throughout the year, and they do not endure harsh winters like Antarctic penguins. Therefore, their activities are more strongly influenced by sea conditions and the availability of food than by temperature.
Spring (September-November)
Main Activities
Courtship behavior
Pair formation
Nest building
Egg-laying preparation
Males stretch their necks and call loudly to attract females.
Nests are built in:
Rock crevices
Caves
Guano (solidified seabird droppings)
Summer (December-February)
Main Activities
Egg-laying
Incubation
Chick hatching
Child-rearing
They usually lay two eggs.
Parents take turns incubating the eggs, and after hatching, they return to feed the chicks with regurgitated food after eating fish.
Foraging activity also increases during this period.
Autumn (March-May)
Main Activities
Chick Growth
Fledging
Young Birds Become Independent
Increased Foraging Activity
Young birds gradually learn to live in the sea and begin to catch fish on their own.
Parent birds also actively forage to recover the strength lost through raising their young.
Winter (June-August)
Main Activities
Molting (Replacing Feathers)
Rest
Strength Recovery
Foraging
During molting, they spend about 2-3 weeks on land.
During this period,
They cannot enter the sea
They cannot catch food
They fast
Therefore, they accumulate sufficient fat before molting.

About Humboldt Penguin Chicks
This article summarizes information about Humboldt penguin (Spheniscus humboldti) chicks.
- From Egg to Hatching
Egg Laying: Usually 1-2
Nest: Built in the shade of rocks, caves, or small holes
Incubation Period: Approximately 38-42 days
Both parents take turns incubating the eggs
- Chick Characteristics
Fur: Soft gray or light brown feathers
Weight: Approximately 80-120g at hatching
Inconspicuous Coloring: For protection from predators
- Growth and Fledging
Until Fledging: Approximately 8-10 weeks
Learns how to swim and forage from parents
After fledged, they go out to sea with the flock and hunt independently
- Survival Challenges
Susceptible to predators (crows, cats, rats, marine mammals)
Survival rates vary depending on food availability and environmental conditions
The chick stage is the most dangerous period, and parental protection is essential
Are Humboldt penguins an endangered species?
Humboldt penguins are an endangered species. The estimated number of individuals is about 30,000, and the number is decreasing year by year. This is due to the following reasons. Overfishing has become a problem, and groups are taking action. Conservation events are also now being held.
- Current Status
International Union for Conservation of Nature (IUCN) Red List: Vulnerable (Critically Endangered)
The global wild population is estimated at approximately 32,000 birds and is declining.
Depending on a limited distribution along the west coast of South America (the coasts of Peru and Chile).
- Major Threats
Decreased food supply due to fishing
Reproduction rates decline as small fish (anchovies, sardines, etc.) decline.
Marine pollution and oil spills
Oil on feathers prevents swimming, increasing the risk of death.
Natural predators and invasive species
Cats and rats attack chicks and eggs.
Climate change
Food resources decline due to changes in ocean currents and water temperatures.
- Conservation Activities
Protection of breeding grounds (development of national parks and protected areas)
Securing food through fisheries management
Responding to oil spills and invasive species

Is it possible to keep Humboldt penguins?
Humboldt penguins are extremely difficult to obtain as their population is decreasing and they are listed as an endangered species. The only option is to have the aquarium or zoo give it to you. However, it is recommended because it is easy to adapt to the environment where humans live.
- Current Status
There is a proven track record of breeding and rearing in zoos and aquariums around the world.
Keeping in specialized facilities is required, as conditions must be similar to their natural environment.
Breeding is possible, but maintaining them in the same way as in their natural environment is difficult.
- Breeding Challenges
Water Temperature and Air Temperature Control
Because they are adapted to the cold water temperatures of the Humboldt Current coastal zone, they must be properly maintained in aquariums and air-conditioned rooms.
Diet Management
Maintaining a balanced diet, primarily of small fish (anchovies, sardines, etc.), is essential.
Breeding Difficulties
Requires an environment similar to a burrow or rock shelter.
Reproduction rates are often lower than in their natural environment.
Endangered Species
International regulations (such as CITES) strictly restrict capture and transportation.
- Conclusion
Keeping in an ordinary home is impossible.
Even breeding and rearing in specialized facilities requires advanced environmental control and management.
Protection of wild individuals and preservation of their habitat are of utmost importance.
Zoos where Humboldt penguins are kept (Japan and Worldwide)
Humboldt penguins are the most commonly kept penguin species in Japan. They are relatively tolerant of heat and easily adapt to Japan’s climate, making them popular for exhibition and breeding in many zoos and aquariums.
Major facilities in Japan where Humboldt penguins are kept
It is estimated that they are kept in over 60-70 facilities nationwide.
Representative facilities include:
Kasai Rinkai Aquarium
Nagasaki Penguin Aquarium
Saitama Children’s Zoo
Asahiyama Zoo (Asahikawa City)
Maruyama Zoo (Sapporo City)
Marinepia Nihonkai Aquarium (Niigata City)
Shiroyama Zoo (Nagano City)
Kyoto Aquarium
Adventure World
Sendai Umino-Mori Aquarium
Ise Sea Paradise
Tobe Zoo
Breeding in Japan
Humboldt penguins have a very high breeding record in Japan, and zoos and aquariums cooperate in conservation and breeding efforts. Nihondaira Zoo has also reported successful breeding through egg exchange with other zoos.
Major Animal Zoo Facilities Worldwide
North America
Saint Louis Zoo
Brookfield Zoo
Woodland Park Zoo
Denver Zoo
Europe
London Zoo
Chester Zoo
Tierpark Berlin
Zoo Leipzig
South America
Parque Metropolitano Zoo
Parque de las Leyendas
These facilities conduct breeding, research, and conservation activities in response to the decline of wild animal populations.
Fellow members of the same group





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