@techreport{North American Bird Conservation Initiative-2009-2974,
  author = {North American Bird Conservation Initiative},
  title = {The State of the Birds United States of America 2009},
  institution = {North American Bird Conservation Initiative (NABCI)},
  year = {2009},
  month = {jan},
  url = {https://digitalcommons.unl.edu/usfwspubs/398/},
  keywords = {Wind Energy, Land-Based Wind, Birds, Seabirds, Waterfowl},
}