<http://schema.org/alternativeHeadline>
"An aerial drone has caught cinematic video of humpback whales off the coast of Oahu, revealing candid family moments as the giant mammals splash around before heading to Alaska for summer."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/blogs/watch-a-pod-of-humpback-whales-frolic-in-hawaii>