A population of tiny rock wren has established well on Secretary Island, following a project to increase numbers.
Forty-one birds were moved to Secretary Island at the mouth of Doubtful Sound in Fiordland between 2008 and 2011.
Department of Conservation ranger Megan Willans said the translocation efforts had been successful and the first population of rock wren on an inshore island was establishing well.
The translocation efforts are a joint project between DOC, Fauna Recovery New Zealand and Fiordland Helicopters.
Bird surveyors had found 66 rock wrens on the island in April, of which 63 hatched and fledged on the island.
This indicated the birds had settled in well enough to breed, she said.
The rock wren is the only true alpine bird in New Zealand and one of the most ancient bird species in the world.
- © Fairfax NZ News
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