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The Department of Conservation, West Coast, requested Manaaki Whenua - Landcare Research, Lincoln, to test the effectiveness of two ultrasonic devices, Transonic ESP and Yard Gard, for repelling captive stoats (Mustela erminea) from a food source. I

The mohua or yellowhead (Mohoua ochrocephala) is an endangered, hole-nesting forest bird endemic to New Zealand. Mohua suffer periodic population crashes due to severe predation by the introduced stoat (Mustela erminea). In 1990, a stoat populat

Although Talon® baits containing brodifacoum have been used successfully in eradicating rats from some of New Zealand’s offshore islands, little is known about any environmental effects of this toxin. We sampled invertebrates, blackbirds, soil, and w

1080 poisoned baits (Wanganui No. 7) were aerially spread throughout the three blocks of Mapara reserve in September 1990 and again in October 1991 to control possums. Changes in possum abundance were monitored by trapping, using a modified versio

Strangers in Paradise takes us on a discovery journey to identify and learn about various species living on the islands of Hawaii, Solomon Islands, Rarotonga, New Zealand, and Easter Island. In contrast, we also take a look at the impact of human dev