TY  - RPRT
TI  - American Woodcock singing-ground survey: Comparison of four models for trend in population size
AU  - John R. Sauer
AU  - William Link
AU  - Mark E Seamans
AU  - Rebecca D. Rau
PY  - 2021
DO  - 10.3996/jfwm-20-079
UR  - https://pubs.usgs.gov/publication/70219181
ID  - 70219181
ER  -