Chris Merkord Posted November 23, 2012 Share Posted November 23, 2012 Owls that eat poisoned rats can be poisoned themselves. B. BEVAN/ARDEA.COM Canada and the United States start to restrict the use of blood-thinning rat poison.Law-makers in Canada and the United States are making moves to restrict the use of rodent poisons based on blood thinners, as studies show that the toxins accumulate in birds of prey and other animals.View the full article on Nature.com Link to comment Share on other sites More sharing options...
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