<http://schema.org/description>
"As more and more predators are eliminated from ecosystems, nature is providing replacements to perform their evolutionary function of culling herds -- and in the process is creating new dangers for the human race."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2003/09/01/Microbes-replace-wolves-in-culling-herds/UPI-58391062388800/>