TY  - RPRT
TI  - Fidelity and persistence of Ring-billed ( Larus delawarensis ) and Herring ( Larus argentatus ) gulls to wintering sites
AU  - Daniel E. Clark
AU  - Kiana K. G. Koenen
AU  - Jillian J. Whitney
AU  - Kenneth G. MacKenzie
AU  - Stephen DeStefano
PY  - 2016
DO  - 10.1675/063.039.sp120
UR  - https://pubs.usgs.gov/publication/70187360
ID  - 70187360
ER  -