<https://secure.gravatar.com/avatar/e1640bfdb4e26439c1ecb038cd36778e?s=96&amp;d=blank&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.backyardgardenlover.com/the-cost-of-raising-chickens/>