@misc{indiciae732d54772133,
  title = {The changing seasons: An analytical summary of Spring Migration, 1978, in North America with a provocative consideration of the evolutionary impact of avian vagrancy},
  author = {M.A. Howe},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/5220956},
  note = {Source identifier: 5220956}
}