<http://schema.org/description>
"All you amateur ornithologists might scoff at this seemingly simple question, but the answer isn&amp;#039;t as straightforward as you think. And no, it&amp;#039;s not just that their bones are hollow."^^<http://www.w3.org/2001/XMLSchema#string>
<http://animals.howstuffworks.com/birds/duck-float2.htm>