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Breaksea Island (New Zealand) facts for kids

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Breaksea Island
Kā Huruhuru-o-koekoeā
Breaksea Island Fiordland New Zealand Aotearoa.jpg
Breaksea Island (center) - from the South-West.
Breaksea Island is located in New Zealand
Breaksea Island
Breaksea Island
Location in New Zealand
Location Fiordland National Park
Coordinates 45°34′45″S 166°38′14″E / 45.57917°S 166.63722°E / -45.57917; 166.63722
Area 1.56 km2 (0.60 sq mi)
Highest elevation 350 m (1,150 ft)
Population 0

Breaksea Island is a rugged 1.6 km2 (1 sq mi) island in the southwest of New Zealand, and is part of Fiordland National Park. Its highest point is 350 m (1,148 ft) asl and it lies about 2 km (1.2 mi) from the mainland in the entrance to Te Puaitaha / Breaksea Sound, north of the much larger Resolution Island. It is covered in temperate rainforest and was the site of one of the first successful campaigns to eradicate rats from a sizeable island.

Rat eradication

The pioneering eradication of brown rats, using brodifacoum in poison baits, was carried out by the New Zealand Department of Conservation (DOC) in May and June 1988 following the success of a pilot campaign on the adjacent, and much smaller (9 ha or 22 acres), Hāwea Island in 1986. Breaksea is six times the size of the previous largest island on which rat eradication had been successful. Since then, DOC has overseen the eradication of a suite of introduced animals from several other islands, the largest being Campbell Island at 113 km2 (44 sq mi).


Fiordland penguins breed on Breaksea. Since rat eradication various threatened species of New Zealand's native fauna have been introduced, or reintroduced, there. These include the South Island saddleback, yellowhead, Fiordland skink and knobbled weevils.

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