• Birds live and breed in most terrestrial habitats on all seven continents.
  • They occupy a wide range of ecological positions.
  • Human actions have caused the extinction of hundreds of species of birds.
  • 1,200 species are threatened with extinction by human actions.
  • Humans need to take steps to protect this precious and important natural resource.
  • What can you do to help?
  • Share your story and photos with CNN iReport.
  • Back to the page you came from.
  • Click here to share your story, photos or videos.
Select from the frequently asked questions below