<https://www.mippin.com/keep-your-feathered-friends-safe-5-steps-to-bird-proofing-your-house/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.mippin.com/keep-your-feathered-friends-safe-5-steps-to-bird-proofing-your-house/>