TY - RPRT TI - Sexually dimorphic aggression indicates male gray wolves specialize in pack defense against conspecific groups AU - Kira A. Cassidy AU - L. David Mech AU - Daniel R. MacNulty AU - Daniel R. Stahler AU - Douglas W. Smith PY - 2017 DO - 10.1016/j.beproc.2017.01.011 UR - https://pubs.usgs.gov/publication/70180984 ID - 70180984 ER -