We will explain the characteristics, habitat, and ecology of Fiordland penguins (Kimayu penguins). This penguin, known as the “forest penguin,” is an extremely rare type. This is a very rare penguin that lives in southwestern New Zealand from Fiordland to Stewart Island.
- Basic information about Fiordland penguins
- What are the roots and origins of the Fiordland penguin?
- What will happen to the classification?
- About Fiordland Penguin Habitat
- feature is? What kind of creature is it?
- What will your personality look like?
- What is the ecology of Fiordland penguins?
- Molting in Fiordland Penguins
- Fiordland Penguin Diving
- Fiordland Penguin Calls
- Seasonal Activities of Fiordland Penguins
- About Fiordland penguin chicks
- Are Fiordland penguins an endangered species?
- Is it possible to keep Fiordland penguins?
- Zoos where they are kept (Japan and around the world)
Basic information about Fiordland penguins
Fiordland penguins are birds that belong to the Macaroni penguin genus. The scientific name is Eudyptes pachyrhynchus. This penguin is 40-60cm long and is endemic to New Zealand. It is a rare species with a very limited habitat. Other names are Kimayu Penguin and Victoria Penguin.
| Japanese（和名） | フィヨルドランドペンギン、キマユペンギン、ヴィクトリアペンギン |
| English（英名） | Fiordland penguin |
| scientific name(学名) | Eudyptes pachyrhynchus |
| classification（分類） | Sphenisciformes, Spheniscidae, Eudyptes ペンギン目ペンギン科マカロニペンギン属 |
| IUCN Status(保全状況) | LEAST CONCERN |
| Height（身長） | 40-60cm |
| Weight（体重） | 2kg |
What are the roots and origins of the Fiordland penguin?
The Fiordland penguin’s roots lie in the fjord region of southwestern New Zealand. It is a penguin that has evolved quite locally, remaining naturally distributed only in that region.
🧬 Origin and Evolutionary Roots
Roughly speaking, the origin of this penguin is:
Approximately several million years ago
Ancestor penguins branched off from the Antarctic Circle
They settled around New Zealand
And evolved in isolation due to glacial periods and topographical changes
This is the general flow.
The “geographical isolation” is particularly important.
🌏 Why New Zealand?
New Zealand has historically had the following conditions:
Few predators
Abundant marine resources
A complex coastline (fjord topography)
These conditions made it an environment where penguins could easily survive.
🧭 The Unique Evolution of the Fiordland Penguin
This species, scientifically known as Eudyptes pachyrhynchus, belongs to a group closely related to the so-called “rockhopper penguins” (the crested penguins with the “ho-hokekyo” call).
Characteristic evolutionary points:
Yellow “crown” above the eyes
Adaptation to breed even on coastal areas near forests
Nest building using caves and rock crevices
What will happen to the classification?
It was first described in 1845 by British zoologist George Robert Gray. It now belongs to the Macaroni penguin genus. The genus name is derived from the ancient Greek eu/ευ “good” and dyptes/δύπτης “diver”. Fiordland penguins originate from Fiordland on New Zealand’s South Island, where they breed.
| 名前：Name | Gropu：属名 | 生息地: habit |
| フィヨルドランドペンギン(Fiordland penguin) | Eudyptes マカロニペンギン属 | New Zealand ニュージーランド |
| シュレーターペンギン(Erect-Crested Penguin) | Eudyptes マカロニペンギン属 | New Zealand ニュージーランド |
| スネアーズペンギン(Snares Islands Penguin) | Eudyptes マカロニペンギン属 | New Zealand ニュージーランド |
| マカロニペンギン(Macaroni Penguin) | Eudyptes マカロニペンギン属 | Antarctica 南極大陸 |
| ロイヤルペンギン(Royal Penguin) | Eudyptes マカロニペンギン属 | Antarctica 南極大陸 |
| イワトビペンギン(Rockhopper Penguin) | Eudyptes マカロニペンギン属 | South Atlantic, Indian Ocean, Falkland Islands 南大西洋、インド洋、フォークランド諸島 |
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): Eudyptes（イワトビペンギン属）
- 種 (Species): Eudyptes pachyrhynchus（フィヨルドランドペンギン）
About Fiordland Penguin Habitat
Fiordland penguins are found only in New Zealand. Many live near Stewart Island.
- Geographic Distribution
Main Locations: Southwestern New Zealand, Stewart Island (Rakiura), Fiordland
Specific Distribution:
Coastal Area of Fiordland National Park
Coastal Area of Stewart Island
Also found on smaller surrounding islands
- Habitat
Nests in burrows in rocky areas or forests
Prefers steep slopes and reefs near the coast
In breeding areas, pairs establish territories and select areas with plenty of hiding places
- Ecological Characteristics
Forages near the sea, but nests in sheltered areas on land
Preys primarily on small fish, squid, and krill
During the breeding season, they live in pairs in their own burrows and do not form large colonies.
feature is? What kind of creature is it?
Fiordland penguins have black plumage on the top of their heads and white plumage on the bottom. There is a thick yellow striped pattern on the upper part of the head and the back of the head, which droops down at the back. Fiordland penguins are different from traditional penguins; they live in forests. Fiordland National Park, where they live, is also registered as a World Heritage Site.
- Physical Characteristics
Body Length: Approximately 60-70cm
Weight: Approximately 3-5kg
Body Type: Medium-sized and stocky
Feathers/Patterns:
Black back, white belly
A yellow crest (tuft of feathers) extends from above the eyes to the top of the head
Black face and neck, orange to reddish-brown beak
Their distinctive crest makes them easily distinguishable from other penguins
- Behavior/Movement
They swim agilely in the water, preying on small fish, squid, and krill.
On land, they move within burrows and on rocky areas.
During the breeding season, pairs form territories and defend their nests.
- Diet
Their main diet is small fish, squid, and krill.
They feed by diving, and can swim for several minutes in a single dive.
- Reproduction and Lifespan
Breeding season is in the New Zealand summer (September to February)
Nests are built in rocky areas or forest holes, usually containing two eggs.
Both parents take turns incubating and raising the eggs.
Lifespan in the wild is approximately 10 to 15 years.
- Personality and Behavioral Characteristics
Colonies are relatively small, with pairs forming territories.
They are highly cautious and can become aggressive in protecting their nests and chicks.
Agile and active in the water, but somewhat cautious on land.
What will your personality look like?
Fiordland penguins are said to be the most timid of the Macaroni penguin species. They tend to get scared when an enemy approaches their nest.
- Sociality
Even during the breeding season, colonies are relatively small, and they often live in pairs.
They are not very cooperative within the group, and their behavior is primarily territorial.
- Vigilance
They are highly vigilant, protecting their nests and chicks.
They may become aggressive when approached by humans or predators.
They have a habit of hiding in burrows or rocky areas.
- Activity
They are agile and active swimmers in the water, chasing prey.
On land, they move cautiously and calmly.
They are relatively docile outside of the breeding season.
- Independence
They have a strong sense of territory within their pairs, and maintain a distance from other pairs.
During the breeding season, they cooperate as a pair to incubate and raise eggs and chicks, but they often behave solitary outside the nest.
What is the ecology of Fiordland penguins?
Fiordland penguins subsist mainly on squid and krill. The breeding season is from July to December, when two eggs are laid, and the eggs incubate for 30-36 days. The chicks form a “kleish”. The lifespan is estimated to be 15 to 20 years.
- Habitat
Location: Fiordland, southwestern New Zealand, off the coast of Stewart Island
Environmental Conditions:
Nests in rocky areas or forest holes
Selects locations near the shore where it is easy to find food
Even during the breeding season, colonies are small, with pairs forming territories.
- Diet
Main Food: Small fish, squid, and krill
Prey Method: Preys by diving underwater
Dives last for only a few minutes, allowing them to move agilely underwater
- Breeding
Breeding season is in the New Zealand summer (September to February)
Nests are built in rocky areas or forest holes, usually containing two eggs
Both parents take turns incubating and raising the eggs
Chicks take several weeks to fledge
- Behavior
Protects nests as a pair, keeping a distance from other pairs
Active and agile in the water, cautious on land
Solo or in small groups outside of the breeding season
- Lifespan
Approximately 100 years in the wild 10–15 years
Survival rates vary depending on food availability, predators, and weather conditions.
What are the natural enemies of Fiordland penguins?
Fiordland penguins are carnivores, including dogs and cats introduced by humans.
Molting in Fiordland Penguins
Fiordland penguins are known for their particularly harsh, mass molting process, where they replace all their feathers at once.
🪶 Molting Basics (Fiordland Penguins)
This species undergoes a “complete molt” once a year, replacing all of its feathers at once.
Frequency: Once a year
Timing: Primarily late summer to autumn (around February to April in the Southern Hemisphere)
Duration: Approximately 2-3 weeks
Characteristics: Cannot enter the sea during molting
⚠️ Why cannot enter the sea?
Penguin feathers are like a “waterproof suit.”
During molting:
Old feathers fall out
New feathers do not yet have waterproofing properties
They cannot maintain their body temperature
👉 Therefore, they remain on land and fast.
🍽️ Life During Molting
A distinctive feature of Fiordland penguins is their molting lifestyle, which is quite “forest-oriented.”
They hide in the shade of rocks along the coast or at the edge of forests.
They conserve energy by remaining mostly still.
They accumulate body fat before molting.
They fast completely for about 2-3 weeks.
This species, in particular, tends to hide in places closer to the forest than other penguins.
Fiordland Penguin Diving
Fiordland penguins have a distinctive diving style: short dives, medium depths, and specialized for coastal areas. They don’t dive for extended periods in the open ocean, but rather quickly hunt for prey in rocky coastal areas.
🌊 Basic Diving Specifications
The diving abilities of this species can be summarized as follows:
⏱ Dive Time: Approximately 1-2 minutes on average
📏 Maximum Depth: Approximately 20-60m
🐟 Main Prey: Small fish, squid, crustaceans
🌊 Diving Locations: Coastal rocky areas, fjords, and coves
🐧 Characteristics of Diving Style
🧭 Style
Uses wings like “flippers” for high-speed swimming
Moves by slipping through gaps in rocky areas
Pursues prey with short dashes
🌊 Relationship with Environment (Important)
This penguin lives in the fjord region of southwestern New Zealand (Fiordland), characterized by:
Deep seas, but intricate coastlines
Many areas with strong currents
Forests and seas are in close proximity
👉 Therefore, a strategy of “quickly circling shallow areas rather than diving deep and for long periods” is advantageous.
Fiordland Penguin Calls
The calls of Fiordland penguins are quite distinctive among penguins, often described as a “hoarse, donkey-like voice” or a “low bark mixed with a groan.”
🔊 Characteristics of the Call
In short, this species’ call is:
👉 A continuous braying sound like “Gah, Grrr, Keh.”
To summarize the characteristics:
A low, hoarse voice
Continuous “Gah, Gah, Gah…”
Each individual has its own “vocal quirks”
Easily resonates in forests and rocky areas
🐧 When do they call?
They mainly make calls in the following situations:
- 🧑🤝🧑 Pair communication
Confirmation of reunion between partners
Nest location recognition
- 🐣 Parent-child calling
Chicks calling their parents
Parents calling when returning with food
- 🏝 Territory during breeding season
Warning to other individuals
Nest defense
Seasonal Activities of Fiordland Penguins
Fiordland penguins inhabit the fjord region of southwestern New Zealand (Fiordland) and are seasonal penguins with clearly defined “terrestrial life during the breeding season” and “marine life during the non-breeding season.”
🌸 Spring (September-November) | Breeding Season Start
This is the most important breeding preparation period of the year.
Pair formation and reunion
Nest building in forests and rocky shelters
Laying 1-2 eggs
Parents take turns incubating the eggs
👉 Characteristics: “Almost entirely terrestrial life”
❄️ Summer (December-February) | Chick Rearing Peak
This is the season when chicks are being raised, and activity levels are at their highest.
Parents frequently go out to sea to forage.
They feed their chicks by regurgitating fish.
Chicks live hidden in the forest.
They are wary of predators (ermines, birds).
👉 Characteristics: “A busy period of moving between land and sea.”
🍂 Autumn (February-April) | Molting and Rest Period
After breeding, they enter a grueling molting period.
All their feathers are replaced at once.
They fast for about 2-3 weeks.
They cannot go out to sea.
They wait quietly in forests or behind rocks.
👉 Characteristics: “A dangerous period of complete rest and fasting.”
🌨 Winter (May-August) | Open Ocean Migration Period
After molting, they go out to sea to forage for extended periods.
They move widely from coastal areas to the open ocean.
They prey on fish, squid, and crustaceans.
They are mostly solitary.
They recover energy.
👉 Characteristics: “A life centered around the sea.”
About Fiordland penguin chicks
This article summarizes information about Fiordland penguin (Eudyptes pachyrhynchus) chicks.
- From Egg to Hatching
Number of Eggs Laid: Usually 2
Nest: Built in a rocky area or a forest hole
Incubation Period: Approximately 35 days
Both parents take turns incubating the eggs
- Chick Characteristics
Fur: Soft gray or brown feathers
Weight: Approximately 120-150g at hatch
Color: Subtle colors protect against predators
- Growth and Fledgling
Until Fledgling: Approximately 7-9 weeks
Learn how to swim and catch food from their parents
After leaving the nest, they head out to sea and hunt for food independently
- Survival Challenges
Susceptible to predators (seabirds, seals, scavengers, etc.)
Survival rates vary depending on food availability, weather, and nest environment
The chick stage is the most dangerous, and parental protection is essential
Are Fiordland penguins an endangered species?
Fiordland penguins are classified as Least Concern by the IUCN, and their population is said to be stable. However, in 2013, New Zealand’s Department of Conservation changed its status from vulnerable to endangered. This is due to the following reasons. Estimated population is 2,000 to 3,000.
There are predators introduced by humans.
The main threats are predators such as dogs, cats, rats, and especially stoats. These are caused by humans introducing them. Originally, there were no carnivorous land animals in New Zealand, so the penguins were safe. However, with the advent of carnivores, their numbers are decreasing.
Is it possible to keep Fiordland penguins?
The area where Fiordland penguins live is a World Heritage Site, and the New Zealand government has prohibited anyone other than researchers from entering the area, making it difficult to encounter them in the first place and raising them in captivity.
- Current Status of Breeding
There is very limited experience in breeding and exhibiting these species in some zoos and aquariums around the world.
As a species endemic to New Zealand, it is highly dependent on the natural environment, making it difficult to recreate captive environments.
There have also been few reported successful breeding cases in artificial environments.
- Breeding Challenges
Recreating Environmental Conditions
It is necessary to artificially create a nesting environment in cold seawater, rocky areas, or forests.
Failing to recreate natural hiding places and territories can lead to significant stress.
Feeding Management
A balanced diet, focusing on small fish, squid, and krill, is necessary.
Protection Regulations
As a species endemic to New Zealand, capture and export of wild specimens are strictly restricted.
International treaties such as CITES strictly regulate their handling.
- Conclusion
Keeping them in an ordinary home is impossible.
Even in specialized facilities, advanced environmental management and compliance with legal regulations are essential.
Protection of wild specimens and habitat conservation are of utmost importance.
Zoos where they are kept (Japan and around the world)
The Fiordland penguin is a type of penguin that is basically found only in southwestern New Zealand in the wild and is very rare in zoos, making it quite rare worldwide.
🇯🇵 Status in Japan
🟥 Basic: Almost no permanent exhibits
Major aquariums and zoos in Japan do not usually keep them for the following reasons:
Breeding is extremely difficult
They are sensitive to stress (they are forest-dwelling and require a special environment)
There are very few instances of transport and introduction
🌏 Status in the world
🟥 Extremely rare (almost exceptional)
Based on research and records:
Almost exclusively rescued individuals in New Zealand
Temporary protection of stranded individuals in Australia (e.g., Sydney)
Long-term breeding programs are almost non-existent
コメント