Kleptoparasitism by great skuas (Catharacta skua Brünn.) and Arctic skuas (Stercorarius parasiticus L.) at a Shetland seabird colony

  title={Kleptoparasitism by great skuas (Catharacta skua Br{\"u}nn.) and Arctic skuas (Stercorarius parasiticus L.) at a Shetland seabird colony},
  author={R. W. Furness},
  journal={Animal Behaviour},
  • R. W. Furness
  • Published 1978
  • Biology
  • Animal Behaviour
  • Abstract Quantitative study of 467 great skua and 275 Arctic skua chases of seabirds at Foula, Shetland showed differences in the preferred victims and rates of success of each skua species. Spatial segregation of preferred victims reduces the possibility of interspecific competition. Several factors influence the outcome of chases; particularly important are the duration of chase, the speed of reaction of the victim and the method of evasion employed. These in turn are strongly influenced by… CONTINUE READING
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