<https://forums.whatbird.com/index.php?/topic/15593-your-best-ever-bird-photo/page/2/#comment-106486>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forums.whatbird.com/index.php?/topic/15593-your-best-ever-bird-photo/page/2/#comment-111143>