<http://schema.org/about>
"The U.S. endangered species list isn't all gloom and doom: Just ask a bald eagle. Nonetheless, 93 species have joined the list for every one it's saved."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/translating-uncle-sam/stories/endangered-species-where-are-they-now>