Burwood Takahē Centre

The Burwood Takahē Centre is all about providing the best conditions for takahē to breed and rear their chicks.

25 years of Hand-rearing using puppets and models

Burwood Takahē Breeding Centre has been central to the Takahē Recovery Programme for almost 30 years. It was purpose built in 1985 as an incubation and  hand rearing facility and is famous for using puppets and models to rear takahē chicks.

An 80 hectare predator-free enclosure was built in the adjacent Burwood Bush (Red Tussock) Scientific Reserve to house juvenile birds as well as a few resident breeding pairs.  The tussock reserve provides similar conditions to the home of wild takahē in Fiordland.   It holds similar food plants, including tussocks and sedges.  The original 80 hectare ‘top pen’ includes beech forest containing vital winter food including the summer green fern Hypolepis millefolium. 

 

Moving away from intensive hand-rearing

These days, life at Burwood is quite different. Instead of only 6 pairs of takahē, there are now 20 – 23 pairs of breeding birds.  Eggs are left on the nest rather than placed in artificial incubators and chicks are left to be reared by adult takahē as opposed to models and puppets.

Takahē are housed in 1.5 – 2 hectare enclosures and the productivity of the birds is maximised through supplementary feeding, nest manipulation and genetic management.

 

Supplementary Feeding

In the wild takahē territories can vary from 5 to 60 hectares dependant on the quality of the habitat and the time of year.  To protect the vegetation in the pens and to ensure sufficient nutritious food is available, takahe are feed special takahe pellets.  These pellets were developed for takahē by Massey University.

Takahē feeding. Photo: H Dodson.

Feeding time in winter is eagerly awaited by the takahē

 

Nest Manipulation

Egg with light shining through showing embryo development. Photo : Daryl Eason

Candled egg showing embryo and air sac

Nest manipulation is about moving eggs between takahē nests to rear as many good quality chicks as possible each season.  Takahē usually lay 2 eggs per clutch and if the nest fails or the eggs are removed they will re-nest, sometimes twice in a season.

Rangers locate and check every nest at Burwood. Eggs are candled to see if they are fertile and to determine the age of the embryo.  Candling eggs involves shining a light through the egg so that development of the embryo is visible.

Any infertile eggs are removed and either replaced with fertile eggs from another nest or the nest is removed, encouraging the birds to begin re-nesting.

Some birds are genetically more valuable to Takahē Recovery due to how little their genes are represented in the population, so any fertile eggs they produce early in the season will be removed to another nest encouraging them to re-nest.

 

 

Takahē Survival School

Young takahē destined for release into the Murchison Mountains must spend some time in their first winter learning to grub for the rhizomes of summer green fern Hypolepis millefolium.  This is so they can find food when winter snows force them out of subalpine tussock down into the forest.  Whilst takahē instinctively know to grub for food, they do not seem to recognise the underground rhizomes of the fern as food unless taught to find them by other takahē.

At Burwood, the top pen includes beech forest with areas of summer green fern.  These small areas of fern are fenced off and small groups of young birds are put into the pens with a pair of older birds for just a few days to learn the essential survival skills.

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