Reference citation:
Arnett, R.T.P. and J. Whelan. 2001. Comparing the diet of cod (Gadus morhua) and grey seals (Halichoerus grypus): an investigation of secondary ingestion. J. Mar. Biol. Ass. U.K. 81(2):365-366.

Source citation:
Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).

Source archive URL:
https://github.com/globalbioticinteractions/sealifebase/archive/d613f898a00ebaf4555eff844a71550435038e81.zip

Reference citation:
Prime, J.H. and P.S. Hammond. 1990. The diet of grey seals from the south-western North Sea assessed from analyses of hard parts found in faeces. The Journal of Applied Ecology 27(2):435-447.

Source citation:
Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).

Source archive URL:
https://github.com/globalbioticinteractions/sealifebase/archive/d613f898a00ebaf4555eff844a71550435038e81.zip

Reference citation:
Bowen, W.D., J. Lawson and B. Beck. 1993. Seasonal and geographic variation in the species composition and size of prey consumed by grey seals (Halichoerus grypus) on the Scotian Shelf. Can. J. Fish. Aquat. Sci. 50:1768-1778.

Source citation:
Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).

Source archive URL:
https://github.com/globalbioticinteractions/sealifebase/archive/d613f898a00ebaf4555eff844a71550435038e81.zip

Reference citation:
Murie, D.J. and D.M. Lavigne. 1992. Growth and feeding habits of grey seals (Halichoerus grypus) in the northwestern gulf of Saint Lawrence, Canada. Can. J. Zool. 70:1604-1613.

Source citation:
Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).

Source archive URL:
https://github.com/globalbioticinteractions/sealifebase/archive/d613f898a00ebaf4555eff844a71550435038e81.zip