Literature
  • 1990
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  • Zijlstra, Van Eerden 1995
  • Pellet production and the use of otoliths in determining the diet of cormorants Phalacrocorax carbo sinensis: Trials with captive birds. Ardea 83(1): 123-131
  • Prüter 1989
  • Phänologie und Ernährungsökologie der Dreizehnmöwen (Rissa tridactyla) - Brutpopulation auf Helgoland. Ökol. Vögel 11: 189-200
  • 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
  • Doornbos 1984
  • Piscivorous birds on the saline lake Grevelingen, The Netherlands: abundance, prey selection and annual food consumption. Neth. J. Sea Res. 18: 457-497
  • Van Damme 1994
  • Poep en kots: dieetstudies van Zeehonden en Aalscholvers. Ongepubl. rapport, NIOZ, Texel, 32pp, bijlagen I-XLIII
  • Furness 1982
  • Population, breeding biology and diets of seabirds on Foula in 1980. Seabird 6: 5-12
  • 1976
  • Predation and kleptoparasitism by skuas in a Shetland breeding colony. Ibis 118: 208-217
  • Carss 1990
  • Predation on adult Atlantic salmon, Salmo salar, by otters Lutra lutra, within the River Dee system, Aberdeenshire, Scotland. J. of Fish Biol. 37: 935-944
  • 1984
  • Predation on jellyfish and their associates by seabirds. Limnol. Oceanogr. 29(6): 1335-1337
  • 1998
  • Prey delivered to Roseate Tern chicks in the Azores. Journal of Field Ornithology 69: 419-429
  • Tollit 1997
  • Prey selection by harbour seals, Phoca vitulina, in relation to variations in prey abundance. Can. J. Zool. 75: 1508-1518
  • 1979
  • Prey selection during courtship feeding in the Common Tern. Ornis Scand. 10: 142-144