AT A GLANCE
Common Name: Tui
Scientific Name: Prosthemadera novaeseelandiae
Category: Birds
Subcategory: Honeyeaters
Size: Total body length: 11.0–12.6 in (28–32 cm); Wingspan: 14–16 in (36–41 cm)
Weight: 2.5–4.4 oz (70–125 g); males roughly 30% heavier than females
Lifespan: 10–12 years in wild native forests
Diet: Nectarivore / Frugivore (flax and kowhai nectar, native forest fruits, berries, and flying insects)
Habitat: Native podocarp and broadleaf forests, coastal flowering scrub, and urban botanical reserves
Range: Archipelago-wide across New Zealand, including offshore island groups
Conservation Status: Least Concern (IUCN Red List; recovering strongly due to mammalian predator control)

Overview

The Tui (Prosthemadera novaeseelandiae) is an iconic, boisterous honeyeater endemic to the islands of New Zealand. Celebrated in Māori culture for its intelligence and remarkable vocal acrobatics, the tui sports shimmering iridescent green, blue, and bronze plumage crowned by two delicate white curled throat tufts (poi). Operating as an aggressive canopy defender and essential keystone pollinator, the tui plays a pivotal role in regenerating New Zealand’s native flowering forests.

Biology and Physical Characteristics

At first glance appearing dark, Prosthemadera novaeseelandiae reveals a magnificent metallic sheen under direct sunlight, shimmering in deep iridescent emerald-greens and sapphire-blues with a coppery-bronze mantle. Delicate white lacy filoplumes form a collar around the nape, while two distinctive tufts of curled white feathers project from the throat. Its bill is slender, decurved, and equipped with a specialized brush-tipped tongue engineered for extracting nectar from deep tubular blossoms of harakeke (New Zealand flax) and kowhai.

Behavior and Ecology

Tui are renowned for an astonishingly complex vocal repertoire featuring bell-like chimes, clicks, wheezes, gurgles, and chuckles interspersed with high-frequency ultrasonic sounds beyond human hearing. Highly intelligent mimics, they frequently replicate environmental sounds and other bird calls. They are fiercely territorial, aggressively driving off bellbirds, silvereyes, and even larger harriers from rich nectar trees. During flight, modified notches on the eighth primary wing feather produce a distinctive loud whirring sound.

Conservation and Human Impact

Evaluated as Least Concern by the IUCN, the tui has mounted an impressive recovery across New Zealand over the past three decades. Widespread community trapping of invasive mammalian predators—including rats, stoats, and possums—alongside urban revegetation projects in cities like Wellington and Auckland have allowed tui populations to flourish, making them familiar visitors to suburban garden bird feeders.

Interesting Factoid

The tui possesses two voice boxes (syringes) that allow it to produce two entirely distinct musical notes simultaneously, creating complex polyphonic duets with itself.

Last updated: October 2026