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Founder, Penguin Place· Founder and editorReviewed January 17, 2026
Vulnerable

Fiordland Penguin

Fiordland Penguins look like crested rock specialists until they vanish into wet forest. Tawaki survive by being hard to reach and harder to read.

Eudyptes pachyrhynchus

51-71 cmNew Zealand (South Island), Stewart IslandEudyptes
Fiordland penguin in dense rainforest habitat

Also known as Tawaki, this elusive yellow-crested penguin nests in dense temperate rainforests along New Zealand's Fiordland coast — one of the few penguins to breed in forest environments.

Height

51-71 cm

Weight

2.7-5.9 kg

Lifespan

10-20 years

Population trend

Decreasing

Fiordland crested penguins (tawaki) are medium-sized, yellow-crested penguins that breed along the rugged southwestern coasts of New Zealand's South Island plus Stewart Island/Rakiura and nearby islands. They nest in dense temperate coastal forest among tree roots and rocks, often in very shaded, wet sites that make their breeding habitat quite "rainforest-like" compared with the open beaches many penguins use.

Females lay two eggs, with the first being much smaller and more likely to die — a brood-reduction pattern that is unusual among birds — and yet overall breeding success is comparatively high for the genus. They are extremely shy and one of the most elusive penguin species, rarely seen due to their remote habitat in some of New Zealand's most rugged and inaccessible coastline.

If You Only Learn One Thing About This Penguin

Fiordland Penguins look like crested rock specialists until they vanish into wet forest. Tawaki survive by being hard to reach and harder to read.

The Survival Problem

They must move between rough surf and concealed forest nests while staying hidden from predators and human disturbance in a very narrow breeding window.

What Makes This Species Weird

This is a crested penguin that treats dense rainforest, caves, and boulder tangles as normal nesting habitat, which still feels wrong until you see where it lives.

Myth vs Reality

Myth

All crested penguins breed on bare, noisy slopes.

Reality

Fiordland birds often nest in dark, wet, sheltered places where secrecy matters more than spectacle.

Behavior & Traits

  • Nest in dense temperate coastal forest among tree roots and rocks — one of the few penguins to breed in forest environments
  • Females lay two eggs but the first is much smaller and more likely to die, an unusual brood-reduction pattern
  • Extremely shy and one of the most elusive penguin species due to their remote habitat
  • Breed along some of New Zealand's most rugged and inaccessible coastline

Habitat & Range

Habitats

  • Temperate rainforest
  • Rocky coastlines
  • Dense vegetation

Regions

  • New Zealand (South Island)
  • Stewart Island

Diet

SquidCrustaceansSmall fish

Conservation

Listed as Vulnerable with an estimated 5,500–7,000 breeding pairs. Their remote rainforest habitat provides some natural protection, but introduced predators (stoats, dogs, cats) and human disturbance are significant threats. Their shy, elusive nature makes population monitoring challenging, and the brood-reduction strategy means each pair typically raises only one chick per season.

Main threats

  • Introduced predators
  • Disturbance in accessible breeding areas
  • Marine food variability

Common predators

Dogs and stoats near nestsFur sealsGulls

Breeding & Movement

Breeding

  • Nests in dense forest, caves, and coastal boulder fields.
  • Adults often travel under cover and use secluded access paths to colonies.

Movement

  • Fiordland Penguins spend much of the year foraging at sea and return to established breeding colonies on land or ice.

Fun Facts

One of the few penguin species that nests in dense rainforest

Also known as 'Tawaki' in Māori

They are extremely shy and one of the most elusive penguin species

Females lay two eggs but the first is much smaller and usually dies — an unusual brood-reduction strategy

Their breeding habitat is so wet and shaded it's described as 'rainforest-like'

Despite the brood-reduction pattern, their overall breeding success is comparatively high for crested penguins

They nest among tree roots and rocks along some of New Zealand's most rugged coastline

Research Gap

The biggest mystery is still the non-breeding season: where tawaki go at sea, how they partition habitat, and which marine risks matter most away from colonies.

Frequently Asked Questions

How tall is a Fiordland Penguin?

Fiordland Penguins stand between 51 and 71 centimeters tall and weigh between 2.7 and 5.9 kg.

What do Fiordland Penguins eat?

Fiordland Penguins primarily eat Squid, Crustaceans, and Small fish.

Where do Fiordland Penguins live?

Fiordland Penguins are found in New Zealand (South Island), and Stewart Island. Their habitats include temperate rainforest, rocky coastlines, dense vegetation.

Are Fiordland Penguins endangered?

The Fiordland Penguin is classified as "Vulnerable" by the IUCN. Their current estimated population is ~5,500-7,000 pairs. Listed as Vulnerable with an estimated 5,500–7,000 breeding pairs. Their remote rainforest habitat provides some natural protection, but introduced predators (stoats, dogs, cats) and human disturbance are significant threats. Their shy, elusive nature makes population monitoring challenging, and the brood-reduction strategy means each pair typically raises only one chick per season.

How long do Fiordland Penguins live?

Fiordland Penguins typically live between 10 and 20 years in the wild.

What is unique about Fiordland Penguin behavior?

Nest in dense temperate coastal forest among tree roots and rocks — one of the few penguins to breed in forest environments. Females lay two eggs but the first is much smaller and more likely to die, an unusual brood-reduction pattern. Extremely shy and one of the most elusive penguin species due to their remote habitat. Breed along some of New Zealand's most rugged and inaccessible coastline.

What threats do Fiordland Penguins face?

Listed as Vulnerable with an estimated 5,500–7,000 breeding pairs. Their remote rainforest habitat provides some natural protection, but introduced predators (stoats, dogs, cats) and human disturbance are significant threats. Their shy, elusive nature makes population monitoring challenging, and the brood-reduction strategy means each pair typically raises only one chick per season.

Written for Penguin Survival Lab

Penguin Place is written like a natural-history notebook, not a content mill. The job is to explain what each penguin is up against, what makes it strange, and where the evidence still runs thin.

Founder, Penguin Place· Founder and editorReviewed January 17, 2026

Quick Facts

Scientific Name
Eudyptes pachyrhynchus
Height
51-71 cm
Weight
2.7-5.9 kg
Lifespan
10-20 years
Status
Vulnerable
Population
~5,500-7,000 pairs
Genus
Eudyptes

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How we source claims

We start with conservation assessments, research institutions, and field guides that have to survive real scrutiny. Then we write only what still sounds true after the comparison.

  • Use IUCN, BirdLife, museums, aquariums, conservation groups, and research institutions before broad explainers.
  • Lead with a survival problem, not a keyword bucket.
  • Say when the science is uncertain instead of sanding every gap into fake certainty.

Sources and further reading

This profile was reviewed on January 17, 2026 using the sources listed below.

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