Did you know?
Kākā are mainly diurnal but active at night during fine weather or a full moon.
Flocks of boisterous kākā gather early morning and late evening to socialise – their amusing antics and raucous voice led Māori to refer to them as chattering and gossiping.
When Europeans first arrived in New Zealand, they found kākā in abundance throughout the forests of both islands, but by 1930 the birds were localised to a few areas.
Today, they are still reasonably common in the Whirinaki and Pureora Forest Parks, the Rotoiti Nature Recovery Project area, along the Milford Track, and in the Eglinton Valley in Fiordland National Park. But even within these strongholds, numbers are thought to be declining. Other large forested areas are almost empty of kākā.
The North Island kākā, nevertheless, can be found in good numbers on some offshore islands, especially Tiritiri Matangi, Aoetea/Great Barrier Island and Kapiti Island.
The South Island sub-species is still widespread, becoming progressively more common from Nelson (where it is relatively rare) down the West Coast to Fiordland. South Island kākā are also found around Halfmoon Bay (Stewart Island), Ulva Island and on Whenua Hou/Codfish Island.
The extinct Chatham islands kākā was only discovered in 2014, identified by DNA analysis of fossilised bones.
Kākā require large tracts of forest to survive. Habitat loss from forest clearance for agriculture and logging have had a devastating effect.
Browsing by introduced pests such as possums, deer and pigs has reduced the abundance of food. Possums also eat the same kind of food as kākā, most significantly, high energy food types such as endemic mistletoe and rātā.
Introduced wasps compete with kākā for the shimmering honeydew (excreted by scale insects) which forms on the barks of beech trees. Both the mistletoe and honeydew supply sugary food which is an important part of the bird’s diet, and may be essential for it to breed in some beech forests.
Having evolved in the absence of mammalian predators, kākā have many characteristics that make them easy prey. Kākā nest deep in hollow trees, where there is no escape if they are cornered by predators such as stoats, rats and possums (which eat chicks and eggs). Young birds often leave the nest before they can fly, making them vulnerable to predators. Nesting females are the most vulnerable to stoat attacks, resulting in a disproportionate male/female sex ratio.
National recovery project
DOC and community partners have established several projects to promote kākā recovery. Many of these are community-based initiatives which use predator proof fencing and trapping to protect kākā from predators. Successful examples and places to see kākā include:
- Tāwharanui Regional Park, Auckland
- Pūkaha National Wildlife Centre, Wairarapa
- Zealandia, Wellington
- Project Janszoon, Abel Tasman National Park
- Orokonui Ecosanctuary, Dunedin
Call of the wild
In 1996, nine juvenile kākā were released into the Pūkaha Mount Bruce forest, in eastern Wairarapa, from where the species had been absent for nearly 50 years. They were a combination of hand-reared birds from the Pūkaha Mount Bruce National Wildlife Centre and wild ones from Kapiti Island, near Wellington.
This was the first time captive-bred kākā had been released into the wild and the first relocation of wild kākā. The kākā project is part of pioneering species management work at the centre.
The South Island kākā Captive Management Plan's goal is to support South Island ecosystem restoration projects, by providing captive-bred South Island kākā for release into the wild to establish viable self-sustaining populations. Read the South Island Kākā Captive Management Plan 2010–2020 (PDF, 145K).
To support this programme, practioners and veterinary experts have come together and produced a kākā Husbandry Manual. This has been approved by DOC and will be used to establish standards and seek improvements for the care of captive kākā. Read the Kākā Husbandry Manual 2021.
In 2015 Project Janszoon and DOC began releasing kākā into Abel Tasman National Park. With the help of volunteers, the partnership plans to release and monitor up to 100 kākā in the future. At the time a few wild male kākā were believed to still be present in the area, but the females were typically killed by predators while on the nest.
These kākā are intensively monitored and in 2019 at least three of the released birds mated with wild males, producing kākā chicks which successfully fledged in the Abel Tasman.
The population had another boost in spring 2019 when 24 kākā were released at Bark Bay/Wairima on the Abel Tasman Coast. Some of these birds were taken as eggs or chicks from wild nests in Nelson Lakes or Kahurangi National Park and hand raised in captivity.
Kākā is at risk from a predator plague caused by high levels of seed production ('beech mast'). Tiakina Ngā Manu protects kākā and other native species from predators.
You can help
- Visit the Pukaha Mount Bruce National Wildlife Centre
- Watch the Bandits of the Beech Forest (wasps vs kaka) documentary
Help protect our native birds
Call 0800 DOC HOT (0800 362 468) immediately if you see anyone catching, harming or killing native wildlife.
Visiting parks, beaches, rivers, and lakes
- Check for pests when visiting pest-free islands.
- Leave nesting birds alone.
- Use available access ways to get to the beach.
- Avoid leaving old fishing lines on beaches or in the sea.
- Follow the water care code and local navigation bylaws.
- Do not drive on riverbeds, or keep to formed tracks if you have to.
With your dog
- Only take dogs to areas that allow them, and keep them under control.
- If you come across wildlife put your dog on a lead and lead it away.
- Warn other dog owners at the location.
- Notify DOC if you see wildlife being harassed by people or dogs.
Other ways to help
- Get your dog trained in avian awareness.
- Volunteer to control predators and restore bird habitats.
- Set predator traps on your property.
- Keep your cat in at night.
- Learn about the Lead the Way programme which encourages dog owners to become wildlife wise and know how to act to protect coastal wildlife.