TY - RPRT TI - Diet and macronutrient optimization in wild ursids: A comparison of grizzly bears with sympatric and allopatric black bears AU - Cecily M. Costello AU - Steven L. Cain AU - Shannon R Pils AU - Leslie Frattaroli AU - Mark A. Haroldson AU - Frank T. van Manen PY - 2016 DO - 10.1371/journal.pone.0153702 UR - https://pubs.usgs.gov/publication/70171127 ID - 70171127 ER -