- Erikstad 1990
- Winter diets of four seabird species in the Barents Sea after a crash in the Capelin stock. Polar Biol. 10: 619-627
- Erlinge 1967
- Food-habits of the fish-otter, Lutra lutra, in south Swedish habitats. Viltrevy Swedish Wildlife, 74p
- Erlinge, 1981
- The diet of otters Lutra lutra L. in Denmark. Natura Jutlandica 19: 161-165
- Essen 1998
- Foerageergedrag van de Grote Stern Sterna sandvicensis. BEON Report 98-12, Werkdocument RIKZ/OS-98.117, 33pp
- Ewins 1985
- Growth, diet and mortality of Arctic Tern Sterna paradisaea chicks in Shetland. Seabird 8: 59-68
- Ewins 1987
- Opportunistic feeding of Black Guillemots Cepphus grylle at fishing vessels. Seabird 10: 58-59
- Ewins 1993
- Pigeon Guillemot. In: A. Poole and F.Gill (eds.) The birds of North America 49 Academy of Natural Sciences of Philadephia and the American Ornithologists' Union, Washington DC
- Ewins 1990
- The diet of Black Guillemots Cepphus grylle in Shetland (Scotland, UK). Holarctic Ecology 13: 90-97