1. Bigg MA 1981 Harbour sealPhoca vitulinaLinnaeus, 1758 andPhoca larghaPallas, 1811 In: Ridgway SH, Harrison JH, editors.Handbook of marine mammals. London Academic Press 1 27
2. Bjørge A Thompson D Hammond P Fedak M Bryant E Aarefjord H Roen R Olsen M 1995 Habitat use and diving behaviour of harbour seal in a coastal archipelago in Norway In: Blix AS, Walløe L, Ulltang Ø, editors.Whales, seals, fish and man. Amsterdam Elsevier Science 211 223
3. Bowen WD 1991 Behavioural ecology of pinniped neonates In: Renouf D, editor.Behaviour of pinnipeds. London Chapman & Hall 66 127
4. Corpe HM 1996 The behavioural ecology of young harbour seals in the Moray Firth, NE Scotland. PhD thesis, Faculty of Biological Science, University of Aberdeen 139
5. Eliason JJ 1986 Mother–pup behavior in the harbor seal,Phoca vitulina richardsi. MA thesis, Faculty of Humboldt State University 115