hides in the alpine rock screes

Size
Length: 9–10 cm, Weight: 12–16 g
Lifespan
5–7 years
Diet
Insectivorous - feeds on small insects spiders and larvae. Forages on ground and among rocks hopping and flitting between boulders using long thin bill.
Habitat
High-altitude alpine and subalpine rock screes and basins. Ghosts of the screes perfectly camouflaged against grey rocks and pale lichen in extreme conditions.
Range
Found only in South Island in high-altitude alpine and subalpine rock screes and basins from north-west Nelson and Marlborough down to Fiordland and Southland.
Endemism
Endemic
Main Threats
Predation by stoats is primary threat with stoats having spread into alpine areas following introduction of mice and rabbits. Also threatened by climate change.
Population
One of New Zealand's most threatened alpine birds classified as Nationally Critical highest threat classification possible. Population estimated at fewer than 5000 birds.
Conservation Status
Nationally Critical
Human Risk
harmless
Handling Note
protected alpine bird, extremely sensitive to disturbance
Conservation Note
Endemic alpine passerine; restricted to high-altitude rocky habitats in South Island.
Assessment
NZTCS Birds (2021)
Te Ao Māori
Known as the bird of the rocks the Tuke is New Zealand's only truly alpine bird. It has limited presence in traditional lore due to its remote high-altitude habitat. But it represents the resilience of life in the harshest environments. Its survival is now a modern conservation challenge rather than a feature of classical storytelling. The bird embodies the spirit of the high country. It is a symbol of endurance. To protect it is to protect the integrity of the alpine zone. It is a duty to the land and to the future.
A tiny bird built for edges. Brown speckled subtle. The camouflage makes a person think they imagined it until it moves. The tail flicks constantly. The wings beat quick and precise. The eyes are dark. They are alert. They measure every rock crevice and shadow. This is the Tuke. It lives among the high alpine scree and rocky slopes. This is the kind of place where wind whips. Nothing soft grows here. It hops and flits between stones. It is fearless of heights. It is always on the lookout for insects and small invertebrates hiding under rocks. A bird that has made its peace with exposure. The Tuke is solitary or in pairs. It is quiet but deliberate. Its calls are thin and high-pitched. They are almost a whisper against the roar of the mountains. Yet they are unmistakable once learned. Nests are tucked under rocks or in cracks. They are small and neat. They are protected from wind and prying eyes. A nest that asks to be overlooked. It survives in extreme conditions. It is always moving. It is always present. Small tough and astonishingly precise it is a bird that thrives where few others would dare. The alpine zone is not kind. The rock wren does not ask it to be. The Maori name is Tuke. It refers to the bird's habit of flicking its tail. This is a small gesture of constant alertness. The people who came before knew this bird. They saw it on the high slopes. They saw it in the places where only the determined go. To see a Tuke is to glimpse determination distilled into a few grams of feather and muscle. It is a silent hopping proof that life can insist on itself even in the harshest corners. It does not ask for admiration. It just keeps hopping. That is the rock wren. Small. Tough. Precise. A bird of the high places. The kind of bird that makes a person feel large and clumsy just by being there. No one told it otherwise. It carries on. The wind blows. The rocks shift. The bird remains. It is a ghost of the screes. Perfectly camouflaged against grey rocks and pale lichen. It requires extensive areas of stable rock screes. It needs deep crevices for nesting and shelter. It needs good insect populations for food. Without these it cannot survive. With them it persists. It is a testament to resilience. Not the loud kind. The quiet kind. The kind that endures.