TY  - RPRT
TI  - Ecological drivers of variation in tool-use frequency across sea otter populations
AU  - Jessica Fujii
AU  - Katherine Ralls
AU  - M. Tim Tinker
PY  - 2014
DO  - 10.1093/beheco/aru220
UR  - https://pubs.usgs.gov/publication/70144383
ID  - 70144383
ER  -