TY  - RPRT
TI  - Fluctuating survival selection explains variation in avian group size
AU  - Charles B. Brown
AU  - Mary Bomberger Brown
AU  - Erin A. Roche
AU  - Valerie A O'brien
AU  - Catherine E. Page
PY  - 2016
DO  - 10.1073/pnas.1600218113
UR  - https://pubs.usgs.gov/publication/70170551
ID  - 70170551
ER  -