<http://schema.org/about>
"In the natural world, a majority of dad critters are programmed to produce as many heirs as possible and not stick around. With Father\u2019s Day around the corner"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/photos/natures-10-best-animal-dads/rhea>