<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54caa12b40903_-_toad-in-jar_400_0410.jpg>
<http://www.popularmechanics.com/science/animals/a5782/cane-toad-migration/>