Literature
- Aarefjord H., Bjørge A., Kinze C.C. and Lindstedt I. 1995. Diet of the Harbour Porpoise, Phocoena phocoena, in Scandinavian waters. Rep. Int. Whal. Commn (Special issue 16): 211-222.
- Andersson Å, Odsjö T. and Olsson M. 1974. Häckningsresultat hos Tordmule i Stockholms skärgård i relation till aggskalstjochlek och halter av DDT, PCB och kvicksilver Iagg. Statens Naturvårdsverk. No. PM 483: 1-30.
- Ashcroft R.E. 1976. Breeding, biology and survival of puffins. Unpublished D.Phil. thesis, University Oxford: 246pp.
- Barrett R.T., Anker-Nilssen T., Rikardsen F., Valde K., Røv, N. and Vader W. 1987. The food, growth and fledging success of Norwegian Puffin chicks Fratercula arctica in 1980-1983. Ornis. Scand. 18: 73-83.
- Behrends G. 1982. Analysis of stomach- and colon contents of 185 common seals from the Waddensea of Schleswig-Holstein. ICES, C.M. N:11.
- Bjørge A. 1995. Comparative habitat use and foraging behaviour of harbour seals and grey seals in western Norway. ICES C.M.
- Bjørge A., Aarefjord H., Kaarstad S., Kleivane L. and Øien N. 1991. Harbour Porpoises Phocoena phocoena in Norwegian waters. ICES C.M.
- Bjørge A., Olsen M. and Prime J. 1993. Food and foraging of the Harbour Seal, Phoca vitulina L., in Norwegian waters. Ch. V in: A. Bjørge (.
- Blake B.F. 1983. A comparative study of the diet of auks killed during an oil incident in the Skagerrak in January 1981. J. Zool., London 201: 1-12.
- Blake B.F. 1984. Diet and fish stock availability as possible factors in the mass death of auks in the North Sea. J. Exp. Mar. Biol. 76: 89-103.
- Blake B.F. Dixon T.J. Hope Jones P. and Tasker M.L. 1985. Seasonal Changes in the Feeding Ecology of Guillemots (Uria aalge) off North and East Scotland. Est.,Coastal and Shelf Sc. 20:559-568.
- Boudewijn T.J. and Dirksen S. 1993. Monitoring van biologische effecten van verontreiniging op het broedsucces in 1992 van Aalscholvers in de Dordtse Biesbosch en op de Ventjagersplaten en de relatie voedselkeuze-broedsucces. Rapport RWS, Directie Zuid-Holland 93.16, Bureau Waardenburg, Culemborg, 43p.
- Boudewijn T.J., Dirksen S. and van der Winden J. 1994. De voedselkeuze van Aalscholvers in de Grevelingen in het seizoen 1993-.
- Brenninkmeijer A. and Stienen E.W.M. 1992. Ecologisch profiel van de Grote Stern (Sterna sandvicensis). Rin-rapport 92/17: 107 pp.
- Buckens M. and Raeijmaekers M. 1992. Voedselkeuze Aalscholver in de Grevelingen. Internal Report, DGW Middelburg, 60 pp.
- Camphuysen C.J. 1995. Voedsel van Zeekoeten Uria aalge voor de Zeeuwse kust, december 1991. Sula 9(4): 164-166.
- Camphuysen C.J. and Keijl G.O. 1991. Dissectie van Zeekoeten Uria aalge, betrokken bij de massastranding op de Hollandse kust, november 1990. NZG/NSO Internal Report, Zaandam, 5pp.
- Camphuysen C.J. and Keijl G.O. 1994. Leeftijd, geslacht, conditie en voedsel van Zeekoeten Uria aalge betrokken bij de massastranding op de Hollandse kust, november 1990. Sula 8(4): 257-268.
- Carss D.N., 1993. Shags Phalacrocorax aristotelis at cage fish farms in Argyll, Western Scotland. Bird Study 40: 203-211. .
- Collet A., Du Buit M.H. and Duguy R. 1981. Regime alimentaire de Delphinus delphis dans le Nord-est Atlantique. ICES C.M..
- Corkhill P. 1973. Food and feeding ecology of Puffins. Bird Study 20: 207-220.
- Des Clers S. and Prime J. 1996. Seals and fishery interactions: observations and models in the Firth of Clyde, Scotland. In: Greenstreet S.P.R. and Tasker M.L. (Eds.) Aquatic Predators and Their Prey. Blackwell Scientific Publications, Oxford. 58-64.
- Doornbos G. 1984. Piscivorous birds on the saline lake Grevelingen, The Netherlands: abundance, prey selection and annual food consumption. Neth. J. Sea Res. 18: 457-497.
- Durinck J., Skov H. and Danielsen F. 1991. Winter food of Guillemots Uria aalge in the Skagerrak. Dansk Ornithologisk Forenings Tidsskrift 85: 145-150.
- Durinck J., Skov H., Danielsen F. and Christensen K.D. 1994. Vinterføden hos Røkstrubet Lom Gavia stellata i Skagerrak [Winter food of Red-throated Divers Gavia stellata from the North Sea coast of Jutland]. Dansk Orn. Foren. Tidsskr. 88: 39-41.
- Garthe S. and Kubetzki U. 1998. Diet of Sandwich Terns Sterna sandvicensis on Juist (Germany). Sula 12(1): 13-19.
- Geertsma M. 1992. Dieet van de Zeekoet Uria aalge op het Friese Front in het najaar van 1989; een vergelijkend voedselonderzoek. Doctor. onderz., NIOZ-Texel / Dieroecol. R.U. Groningen, 44pp.
- Hall A.J., Watkins J. and Hammond P.S. 1998. Seasonal variation in the diet of harbour seals in the south-western North Sea. Mar. Ecol. Prog. Ser. 170: 269-281.
- Halley D.J., Harrison N., Webb A. and Thompson D.R. 1995. Seasonal and geographical variations in the diet of Common Guillemots (Uria aalge) off western Scotland. Seabird 17: 12-20.
- Harris M.P. 1970. Differences in the diet of British auks. Ibis 112:540-541.
- Harris M.P. and Hislop J.R.G. 1978. The food of young puffins Fratercula arctica. J.Zool., Lond. 185:213-236.
- Harris M.P. and Wanless S. 1986. The food of young Razorbills on the Isle of May and a comparison with that of young Guillemots and Puffins. Orn. Scand. 17(1): 41-46.
- Harris M.P. and Wanless S. 1993. The diet of Shags Phalacrocorax aristotelis during the chick-rearing period assessed by three methods. Bird Study 40: 135-139.
- Harris M.P. and Wanless S. 1997. Breeding success, diet and brood neglect in the Kittiwake (Rissa tridactyla) over an 11-year period. ICES J. Mar. Sci. 54: 615-623.
- Hartwig E. Stühmer F. and Clemens T. 1990. Zur Ernährungsökologie der Küstenseeschwalbe (Sterna paradisaea) auf Scharhörn. Seevögel 11: 53-59.
- Hatchwell B.J. 1991. Feeding ecology of young Guillemots Uria aalge on Skomer Island, Wales. Ibis 133: 153-161.
- Hedgren S. 1976. Om Sillgrisslans Uria aalge föda vid Stora Karlsö. [On the food of the Guillemot at the island of Stora Karlsö, the Baltic Sea]. Vår Fågelvärld 35:287-290.
- Härkönen T. 1987. Seasonal and regional variations in feeding habits of the harbour seal, Phoca vitulina, in the Skagerrak and the Kattegat. J. Zool. , Lond. 213: 1-9.
- Härkönen T. and Heide-Jørgensen M.-P. 1991. The Harbour Seal Phoca vitulina as a predator in the Skagerrak. Ophelia 34: 193-207.
- Härkönen T.J. 1988. Food-habitat relationship of Harbour Seals and Black Cormorants in the Skagerrak and Kattegat. J. Zool., Lond. 214: 673-681.
- Kubetzki U. 1997. Ernährungsökologie von Sturmmöwen (Larus canus L., 1758) vershiedener Kolonien an der deutschen Nordseeküste. Msc thesis Institut fur Angewandte Zoologie der Reinischen Friedrich-Wilhelms-Universita/t, Bonn, 87pp.
- Kubetzki U., Garthe S. and Hüppop O. 1999. The diet of common gulls Larus canus breeding on the German North Sea coast. Atlantic Seabirds 1: 57-70.
- Leopold M. 1997. Onderzoek aan Roodkeelduikers in het Windbrekergebied. De Windbreker 99: 2-4.
- Leopold M.F. and Camphuysen C.J. 1992. Olievogels op het Texelse strand, februari.
- Leopold M.F. and Winter C.J.N. 1997. Slijtage van otolieten in de maag van een Aalscholver. Sula 11: 236-239.
- Leopold M.F., Wolf P.A. and Hüppop O. 1992. Food of young and colony-attendance of adult guillemots Uria aalge on Helgoland. Helg. Meeresunters. 46: 237-249.
- Lyngs P. and Durinck J. 1998. Diet of Guillemots Uria aalge in the central Baltic Sea. Dansk Orn. Foren. Tidsskr. 92: 197-200.
- Martin A.R. 1989. The diet of Atlantic Puffin Fratercula arctica and Northern Gannet Sula bassana chicks at a Shetland colony during a period of changing prey availability. Bird Study 36: 170-180.
- Monaghan P. Uttley J.D. Burns M.D. Thaine C. and Blackwood J. 1989. The relationship between food supply, reproductive effort and breeding success in Arctic Terns Sterna paradisaea. J. Anim. Ecol. 58:261-274.
- Niedernostheide N. 1996. Vergleichende nahrungsökologische Untersuchungen an Fluß- und Küstenseeschwalben (Sterna hirundo und St. paradisaea) auf Nigelhörn und Scharhörn (Elbmündung). Seevögel 17: 40-45.
- Pierce G.J. Diack J.S.W. and Boyle P.R. 1989. Digestive tract contents of seals in the Moray Firth area of Scotland. J. Fish Biol. 35(suppl. A):341-343.
- Pierce G.J., Boyle P.R. and Diack J.S.W., 1991. Digestive track contents of seals in Scottish waters: comparison of samples from salmon nets and elsewhere. J. Zool., Lond. 225: 670-676. .
- Pierce G.J., Boyle P.R. and Thompson P.M. 1990. Diet selection by seals. Barnes M. and Gibson R.N. (Eds.) Trophic Relationships in the Marine Environment. Proc. 24th Europ. Mar. Biol. Symp. 222-238.
- Pierce G.J., Thompson P.M., Miller A., Diack J.S.W., Miller D. and Boyle P.R., 1991. Seasonal variation in the diet of Common Seals (Phoca vitulina) in the Moray Firth area of Scotland. J. Zool., Lond. 223: 641-652. .
- Prüter J. 1989. Phänologie und Ernährungsökologie der Dreizehnmöwen (Rissa tridactyla) - Brutpopulation auf Helgoland. Ökol. Vögel 11: 189-200.
- Rae B.B. 1965. The food of the common porpoise (Phocaena phocaena). J. Zool., Lond. 146: 114-122.
- Rae B.B., 1973. Further observations on the food of seals in Scottish waters. J. Zool., Lond. 169: 287-297. .
- Reinert A. 1976. Lomvigin I-VI. Dimmalaetting 99 (97)4, (98)5, (100)3, (102)5, (107)3,8 (114)4-5.
- Salomonsen F 1935. Aves. In: R. Spärck (ed.) Zoology of the Faroes Vol. 3 Part 2 No 64: 1-269.
- Steven G.A. 1933. The food consumed by Shags and Cormorants around the shores of Cornwall (England). J. Mar. Biol. Ass. U.K. 19: 277-292.
- Stienen E.W.M and Brenninkmeijer A. 1992. Ecologisch profiel van de Visdief (Sterna hirundo). Rin-rapport 92/18: 128 pp.
- Thompson P.M., Pierce G.J., Hislop J.R.G., Miller D. and Diack J.S.W. 1991. Winter foraging by Common Seals (Phoca vitulina) in relation to food availability in the inner Moray Firth, N.E. Scotland. J. Anim. Ecol. 60: 283-294.
- Tollit D.J. and Thompson P.M. 1996. Seasonal and between-year variations in the diet of harbour seals in the Moray Firth, Scotland. Can. J. Zool. 74: 1110-1121.
- Tollit D.J., Greenstreet S.P.R. and Thompson P.M. 1997. Prey selection by harbour seals, Phoca vitulina, in relation to variations in prey abundance. Can. J. Zool. 75: 1508-1518.
- Vauk G. and Jokele I. 1975. Vorkommen, Herkunft und Winternahrung Helgoländer Dreizehnmöwen (Rissa tridactyla). Veröff. Inst. Meeresf. Bremerhaven 15:69-77.
- Wendeln H., Mickstein S. and Becker P. 1994. Auswirkungen individueller Ernährungstrategien von Flußseeschwalben (Sterna hirundo) auf die Anwesenheit am Koloniestandort. Die Vogelwarte 37: 290-303.