<http://schema.org/alternativeHeadline>
"The elusive bat shows off its tongue in the premier episode of a National Geographic Channel documentary, 'Untamed Americas.' (A human would need a 9-foot-long tongue to match the bat's proportions.)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/videos/bat-with-supertongue-seen-for-first-time>