<http://schema.org/alternativeHeadline>
"The majority of Earth's largest carnivores are threatened with extinction, and the trickle-down effects of that decline can be seen everywhere."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/the-big-carnivores-are-in-trouble-and-thats-no-little-thing>