Stable isotopes indicate sex-specific and long-term individual foraging specialisation in diving seabirds

  title={Stable isotopes indicate sex-specific and long-term individual foraging specialisation in diving seabirds},
  author={Stuart Bearhop and Richard A. Phillips and Rona A R McGill and Yves Cherel and Deborah A. Dawson and John P. Croxall},
An important aspect of foraging ecology is the extent to which different individuals or genders within a population exploit food resources in a different manner. For diving seabirds, much of this information relates either to short-term dietary data or indirect measures such as time budgets. Moreover, dietary specialisation can be difficult to detect due to biases associated with conventional sampling techniques. We used stable isotope ratios in blood and feathers to infer trophic and habitat… CONTINUE READING
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