<http://schema.org/alternativeHeadline>
"These lovable birds need our help, and there are many things you can do to help conservation efforts. Here are five ways to get started."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/happy-penguin-awareness-day-5-ways-you-can-help>