TY  - RPRT
TI  - A comparison of direct & indirect survey methods for estimating colonial nesting waterbird populations
AU  - Diann J. Prosser
AU  - Jeffery D. Sullivan
AU  - Christopher J. Gilbert
AU  - David F. Brinker
AU  - Peter C. McGowan
AU  - Carl R. Callahan
AU  - Ben Hutzell
AU  - Laurence E. Smith
PY  - 2023
DO  - 10.1675/063.045.0209
UR  - https://pubs.usgs.gov/publication/70240637
ID  - 70240637
ER  -