The “Official List of the Birds of Nebraska: 2009” contains 454 species. The duties of NOU Records Committee (NOU Records Committee 1986) include: A. The committee shall publish an official list of the birds of Nebraska. B. The official list will include all those species whose occurrence has been reported in Nebraska. C. The committee shall keep the official list current. D. The committee shall publish a list of species for which details are requested with every sighting reported. The 2009 NOU Records Committee has completed the above duties and the following is the result of its endeavors. This work summarizes the changes made to the Official List since its last publication (NOU Records Committee 2004)