<http://schema.org/alternativeHeadline>
"The fossil of the tooth suggests the animal was capable of eating not only insects and crayfish, but also certain fish and amphibians, and even small turtles."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/giant-platypus-once-roamed-australia>