New Zealand king shag

One of the rarest shags in the world

Nick Athanas


New Zealand king shag

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One of the rarest shags in the world

Population 350 – 1,500
Stable over the last 50 years

Unlike many coastal birds that roam widely across oceans, this species lives only in a tiny part of the Marlborough Sounds. Its striking appearance—sleek black-and-white plumage, bright pink feet, and a patch of bumpy skin on the face—sets it apart immediately. The king shag carries itself with a calm, almost regal posture, which makes its name feel perfectly fitting. Its quiet lifestyle and limited range give it an air of mystery, making it one of New Zealand’s most fascinating local wildlife treasures.

One of the most unusual things about the king shag is its commitment to routine. These birds follow daily feeding schedules so predictable that scientists can map their movements almost like clockwork. They fly out from their rocky nesting islands, dive for fish and small squid in the same feeding grounds, and return home before evening. Their diving skills are impressive—they can plunge 40 to 50 meters (131 to 164 feet) underwater, flapping their wings to propel themselves like streamlined swimmers. After hunting, they often stand with wings spread wide to dry off, a classic shag pose that helps them maintain flight-ready feathers.

The king shag’s home life is equally interesting. Unlike many seabirds that live in noisy, crowded colonies, king shag colonies are small, calm, and surprisingly peaceful. They nest only on a handful of isolated rock outcrops and tiny islands, places that offer safety from predators and human disturbance.

Beyond their unusual habits, the king shag comes with plenty of fun trivia. Their facial skin becomes brighter in the breeding season—almost like putting on makeup for courtship. Despite their size, they aren’t strong long-distance flyers and prefer to stay close to familiar waters. They were unknown to science until the mid-1800s, simply because they lived so quietly in remote places.

Distribution

Country
Population est.
Status
Year
Comments
New Zealand
350-1,500
Official estimate
VU
2022

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Flock

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No