Reference citation: Crawford, J.A., L.T. Quakenbush and J.J. Citta. 2015. A comparison of ringed and bearded seal diet, condition and productivity between historical (1975-1984) and recent (2003-2012) periods in the Alaskan Bering and Chukchi seas. Progress in Oceanography 136:133-150.
Source citation: Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).
Reference citation: Quakenbush, L., J. Citta and J. Crawford. 2011. Biology of the bearded seal (Phoca hispida in Alaska, 1960-2009. National Marine Fisheries Service.
Source citation: Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).
