TY  - RPRT
TI  - Expanding the North American Breeding Bird Survey analysis to include additional species and regions
AU  - John R. Sauer
AU  - Daniel Niven
AU  - Keith L. Pardieck
AU  - David Ziolkowski
AU  - William A. Link
PY  - 2017
DO  - 10.3996/102015-jfwm-109
UR  - https://pubs.usgs.gov/publication/70188461
ID  - 70188461
ER  -