Reference citation: Hall, A.J., J. Watkins and P.S. Hammond. 1998. Seasonal variation in the diet of harbour seals in the south-western North Sea. Mar. Ecol. Prog. Ser. 170:269-281.
Source citation: Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).
