<http://schema.org/about>
"The mysterious disease that recently caused the death of many endangered Amur Tigers has been identified by researchers from the Wildlife Conservation Society and by Russian health and veterinary organizations."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/endangered-species/mystery-tiger-deaths-solved-canine-distemper-plagues-siberian-tigers.html>