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Outdoor & Recreation
Safety and Survival
Kangaroo whistle - sonic repeller
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<blockquote data-quote="blisters" data-source="post: 544329" data-attributes="member: 4992"><p>Helen Bender from Melbourne uni researched and showed these don't work in her thesis. Shu Roo has not provided any research of their own to show it does work which says it all. They rely on anecdotal evidence to keep selling them.</p><p></p><p>The Shu Roo was found to be inaudible over the noise of a vehicle at 50m (not advertised 400m), is not targeted at the sensitive part of the kangaroo hearing frequencies and made no difference to the behaviour of kangaroos in static tests.</p><p></p><p>Note that the sound from a Shu Roo does not travel faster than the sound from your car.</p><p></p><p>To quote the research:</p><p></p><p>"The ineffectiveness of the Shu Roo should caution people against using other ultrasonic deterrent devices, at least for kangaroos."</p><p></p><p>Here's a link:</p><p></p><p><a href="http://hdl.handle.net/11343/38945" target="_blank">http://hdl.handle.net/11343/38945</a></p><p></p><p>You don't see Shu Roo or others backing up their claims with 170 odd pages of research.</p><p></p><p>Save your money.</p></blockquote><p></p>
[QUOTE="blisters, post: 544329, member: 4992"] Helen Bender from Melbourne uni researched and showed these don't work in her thesis. Shu Roo has not provided any research of their own to show it does work which says it all. They rely on anecdotal evidence to keep selling them. The Shu Roo was found to be inaudible over the noise of a vehicle at 50m (not advertised 400m), is not targeted at the sensitive part of the kangaroo hearing frequencies and made no difference to the behaviour of kangaroos in static tests. Note that the sound from a Shu Roo does not travel faster than the sound from your car. To quote the research: "The ineffectiveness of the Shu Roo should caution people against using other ultrasonic deterrent devices, at least for kangaroos." Here's a link: [url]http://hdl.handle.net/11343/38945[/url] You don't see Shu Roo or others backing up their claims with 170 odd pages of research. Save your money. [/QUOTE]
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Outdoor & Recreation
Safety and Survival
Kangaroo whistle - sonic repeller
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