TY  - RPRT
TI  - The North American Breeding Bird Survey 1966–2011: Summary analysis and species accounts
AU  - John R. Sauer
AU  - William A. Link
AU  - Jane E. Fallon
AU  - Keith L. Pardieck
AU  - David J. Ziolkowski
PY  - 2013
DO  - 10.3996/nafa.79.0001
UR  - https://pubs.usgs.gov/publication/70099269
ID  - 70099269
ER  -