Great Barrier Island’s Windy Hill Sanctuary area has grown by 150 hectares thanks to the addition of private, family-owned land above Mulberry Grove.
Intense predator control across a total of 770 hectares will create an east to west coast corridor for birds and other threatened species.
Sanctuary trust manager Judy Gilbert said new pest management methods and equipment are enabling greater areas to be managed with the same level of resource. The sanctuary has trapped over 3500 rats per annum in recent years, benefiting birds, lizards, weta fruit and berries.