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Wow, doing more than wanton habitat destruction ("development") to
decimate wildlife in the US?  That is amazing.

    Lynette Reep

    Quoting v_t_frost <[log in to unmask]>:
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>   29 January 2013 Last updated at 11:25 ETShare this page
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>   Cats killing billions of animals in the US
>   By Rebecca MorelleScience reporter, BBC World ServiceFeline friend  
> or feline fiend?
>   Continue reading the main storyRelated Stories
>   Cat parasite 'is killing otters'
>   Cats tagged in bird killing study
>   Time for cats to have curfews?Listen
>
>   Cats are one of the top threats to US wildlife, killing billions  
> of animals each year, a study suggests.
>   The authors estimate they are responsible for the deaths of  
> between 1.4 and 3.7 billion birds and 6.9-20.7 billion mammals  
> annually.
>   Writing in Nature Communications, the scientists said stray and  
> feral cats were the worst offenders.
>   However, they added that pet cats also played a role and that  
> owners should do more to reduce their impact.
>   The authors concluded that more animals are dying at the claws of  
> cats in the United States than in road accidents, collisions with  
> buildings or poisonings.
>   The domestic cat's killer instinct of has been well documented on  
> many islands around the world.
>   Felines accompanying their human companions have gone on to  
> decimate local wildlife, and they have been blamed for the global  
> extinction of 33 species.
>   But their impact on mainland areas has been harder to chart.
>   To find out more, researchers from the Smithsonian Conservation  
> Biology Institute (SCBI) and the US Fish and Wildlife Service  
> carried out a review of studies that had previously looked at the  
> predatory prowess of cats.
>   Continue reading the main story“Start Quote
>   Our study suggests that they are the top threat to US wildlife”
>   Dr Pete MarraSCBI
>   Their analysis revealed that the cat killings were much higher  
> than previous studies had suggested: they found that they had killed  
> more than four times as many birds as has been previously estimated.
>   Birds native to the US, such as the American Robin, were most at  
> risk, and mice, shrews, voles, squirrels and rabbits were the  
> mammals most likely to be killed.
>   Dr Pete Marra from the SCBI said: "Our study suggests that they  
> are the top threat to US wildlife."
>   The team said that "un-owned" cats, which they classified as  
> strays, feral cats and farm cats, were killing about three times as  
> many animals as pet cats, but that their owners could do more to  
> limit the impact.
>   Dr Marra said: "We hope that the large amount of wildlife  
> mortality indicated by our research convinces some cat owners to  
> keep their cats indoors and that it alerts policymakers, wildlife  
> managers and scientists to the large magnitude of wildlife mortality  
> caused by cat predation."
>   A spokeswoman for the UK's animal welfare charity the RSPCA said  
> that a properly fitted collar and bell could reduce a cat's success  
> when hunting by at least a third.
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>   Posted by Veer Frost, Passumpsic