Wash. biologist hazes swans away from deadly lead

(AP) -- Years of collecting dead carcasses and examining lead-poisoned livers have convinced Mike Smith of this: to save Pacific Coast trumpeter swans, he has to haze them.

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<p><a href="http://www.physorg.com/news147161597.html">Wash. biologist hazes swans away from deadly lead</a></p> <p>(AP) -- Years of collecting dead carcasses and examining lead-poisoned livers have convinced Mike Smith of this: to save Pacific Coast trumpeter swans, he has to haze them.</p>