<http://schema.org/about>
"From snakes that model more venomous varieties to flies that pretend to be bees, here are 8 pairs of animals that look just alike."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/photos/8-uncanny-animal-lookalikes/viceroy-and-monarch-butterflies>