Comparative Demography and Viability of Northeastern Pacific Resident Killer Whale Populations at Risk.L.A. Vélez-Espino, J.K.B. Ford, H.A. Araujo, G. Ellis, C.K. Parken, and K.C. BalcombFisheries and Oceans CanadaScience Branch, Pacific RegionPacific Biological StationNanaimo, BCV9T 6N72014Canadian Technical Report ofFisheries and Aquatic Sciences 3084 Two distinct populations of resident killer whales (Orcinus orca) in the northeastern Pacific Ocean have been identified in Canad...