<http://schema.org/about>
"Whether by wing, fin or hoof, the distance some creatures travel in search of new habitat is paralleled only by the intrepid trials they endure to survive."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/photos/14-of-the-greatest-animal-migrations/pinnipeds>