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Kiwis for kiwi - Little spotted kiwi

Population status

The total number of little spotted kiwi is thought to be just over 1500 and growing.

Because they live only on a few offshore islands (most are on Kapiti Island), and in Karori Sanctuary (now known as Zealandia) in the heart of Wellington city, little spotted kiwi are classified by the Department of Conservation as ‘at risk: recovering’.

A distinct form of little spotted kiwi used to live throughout the North Island, but became extinct in the late 1800s.

In the South Island,little spotted kiwi were widespread in the west and north during the early 1900s, but died out around 1980. That year, the population had dropped to just 1000 birds, devastated on the mainland by stoats, cats and larger predators. Without the sanctuary of offshore islands, little spotted kiwi may have gone extinct.

The table below shows the estimated little spotted kiwi population in 2008, and what it could be in 10 years time, assuming that the Kapiti Island population is stable, and other recently established and projected populations increase by about 7% each year.

Estimated 2008
population
Projected 2018
population
Kapiti Island 1,200+ 1,200+
Red Mercury, Hen, Tiritiri Matangi (50-100 on each island) 200 400
Karori Sanctuary/Zealandia (Wellington) and other newly established populations – including Chalky Island, Motuihe and other, yet to be established, populations 70 750
Long Island (Queen Charlotte Sound) 45 90

 

Family Dymanics

Breeding Pairs

As with other kiwi species, little spotted kiwi pairs are monogamous, with only one mate at a time.

Little spotted kiwi also generally mate for life. Like brown kiwi, divorces do sometimes happen, usually because of failed breeding attempts or if the birds are early in their breeding career.

The pairs are strongly territorial and stay in their patch all year round.

Eggs and clutches

Little spotted kiwi usually have one egg in a clutch, and usually just one clutch a season. Sometimes breeding pairs will lay a second clutch if the first egg fails.

Incubation

Only the male little spotted kiwi incubates the egg.

Chicks

Little spotted kiwi chicks are never fed by their parents. They first leave the burrow to feed when 5–7 days old—up until then they are nourished by the large yolk sac, leftover from when they were in the egg. Only the male parent stays near the young chick, which returns to its nest to sleep for between 20 and 60 days after hatching. At night, while the chick is out feeding, the female does stay nearby to offer protection, but she never returns to the nest.

Operation Nest Egg

Operation Nest Egg is not used with little spotted kiwi. The tool is not considered necessary as the species population is not declining—in fact, the number of little spotted kiwi is increasing as they are moved off Kapiti Island to more sites. Also, because all little spotted kiwi populations live in places where there are no predators, Operation Nest Egg is not the most cost-effective way to increase the population.

Kohanga kiwi

No formal kohanga kiwi populations exist for little spotted kiwi, although birds are regularly moved off Kapiti Island which is at, or close to, its carrying capacity.

Preferred habitat

On Kapiti Island they occupy all vegetation types – including flax, mixed scrub, seral and older forest, and rough grassland. Lower numbers in scrub and grassland areas suggest these are the places they like the least.