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Space partitioning without territoriality in Gannets
Wakefield, E.D.; Bodey, T.W.; Bearhop, S.; Blackburn, J.; Colhoun, K.; Davies, R.; Dwyer, R.G.; Green, J.A.; Grémillet, D.; Jackson, A.L.; Jessopp, M.J.; Kane, A.; Langston, R.H.W.; Lescroël, A.; Murray, S.; Le Nuz, M.; Patrick, S.C.; Péron, C.; Soanes, L.M.; Wanless, S.; Votier, S.C.; Hamer, K.C. (2013). Space partitioning without territoriality in Gannets. Science (Wash.) 341(6141): 68-70. http://dx.doi.org/10.1126/science.1236077
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075; e-ISSN 1095-9203, meer
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  • Wakefield, E.D.
  • Bodey, T.W.
  • Bearhop, S.
  • Blackburn, J.
  • Colhoun, K.
  • Davies, R.
  • Dwyer, R.G.
  • Green, J.A.
  • Grémillet, D.
  • Jackson, A.L.
  • Jessopp, M.J.
  • Kane, A.
  • Langston, R.H.W.
  • Lescroël, A.
  • Murray, S.
  • Le Nuz, M.
  • Patrick, S.C.
  • Péron, C.
  • Soanes, L.M.
  • Wanless, S., meer
  • Votier, S.C.
  • Hamer, K.C.
Abstract
    Colonial breeding is widespread among animals. Some, such as eusocial insects, may use agonistic behavior to partition available foraging habitat into mutually exclusive territories; others, such as breeding seabirds, do not. We found that northern gannets, satellite-tracked from 12 neighboring colonies, nonetheless forage in largely mutually exclusive areas and that these colony-specific home ranges are determined by density-dependent competition. This segregation may be enhanced by individual-level public information transfer, leading to cultural evolution and divergence among colonies.
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