TY  - RPRT
TI  - Lesser snow geese and ross's geese form mixed flocks during winter but differ in family maintenance and social status
AU  - J.E. Jonsson
AU  - A. D. Afton
PY  - 2008
DO  - 10.1676/07-124.1
UR  - https://pubs.usgs.gov/publication/70033137
ID  - 70033137
ER  -