Assessment of the effectiveness of Transonic ESP and Yard Guard ultrasonic devices for repelling stoats (Mustela erminea)
Spurr, E. B.
Manaaki Whenua - Landcare Research
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