Reference citation: Bowen, W.D. and G.D. Harrison. 1994. Offshore diet of grey seals Halichoerus grypus near Sable Island, Canada. Mar. Ecol. Prog. Ser. 112:1-11.
Source citation: Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).