2 Works

Prey density affects predator foraging strategy in an Antarctic ecosystem

Karl Busdieker, Samantha Patrick, Alice Trevail & Sébastien Descamps
Studying the effects of prey distribution on predator behaviour is complex in systems where there are multiple prey species. The role of prey density in predator behaviour is rarely studied in closed ecosystems of one predator species and one prey species, despite these being an ideal opportunity to test these hypotheses. In this study, we investigate the effect of prey density on the foraging behaviour of a predatory species in an isolated Antarctic ecosystem of...

Personality predicts foraging site fidelity and trip repeatability in a marine predator

Stephanie M. Harris, Sébastien Descamps, Lynne U. Sneddon, Philip Bertrand, Olivier Chastel & Samantha C. Patrick
1. Animal populations are often comprised of both foraging specialists and generalists. For instance, some individuals show higher foraging site fidelity (spatial specialisation) than others. Such individual differences in degree of specialisation can persist over timescales of months or even years in long-lived animals, but the mechanisms leading to these different individual strategies are not fully understood. 2. There is accumulating evidence that individual variation in foraging behaviour is shaped by animal personality traits, such...

Registration Year

  • 2019

Resource Types

  • Dataset


  • Norwegian Polar Institute
  • University of Liverpool
  • Centre d'Etudes Biologiques de Chizé