The latest information on the characteristics, ecology, and habitat of Humboldt penguins. Is it an endangered species? Birds you can see at the zoo

動物図鑑

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

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
A list of penguin species, including their characteristics, history, and ecology. Recommended animals to see at aquariums and illustrated guides.
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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.

  1. 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)

  1. 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

  1. 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.

  1. 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

  1. 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

  1. 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

  1. 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.

  1. 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.

  1. Sociality

They often live in groups, cooperatively foraging for food.

During the breeding season, they build nests in pairs or small groups.

  1. 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.

  1. Activity

They are active and agile when hunting in the water.

They chase fish very quickly, appearing to play.

On land, they waddle.

  1. Stubbornness/Independence

During the breeding season, they demonstrate territoriality to protect their nests and chicks.

Otherwise, they are relatively cooperative and follow the group.

  1. 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.

  1. 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

  1. 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

  1. 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

  1. 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.

  1. 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.

  1. 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

  1. Chick Characteristics

Fur: Soft gray or light brown feathers

Weight: Approximately 80-120g at hatching

Inconspicuous Coloring: For protection from predators

  1. 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

  1. 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.

  1. 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).

  1. 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.

  1. 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.

  1. 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.

  1. 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.

  1. 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.

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