Long-term correlations in the surface behavior of dolphins

R F I Cancho, David Lusseau

Research output: Contribution to journalArticle

6 Citations (Scopus)


Here we study the sequences of surface behavioral patterns of dolphins ( Tursiops sp.) and find long-term correlations. We show that the long-term correlations are not of a trivial nature, i.e. they cannot be explained by the repetition of the same surface behavior many times in a row. Our findings suggest that dolphins have a long collective memory extending back at least to the 7-th past behavior. As far as we know, this is the first evidence of long-term correlations in the behavior of a non-human species.

Original languageEnglish
Pages (from-to)1095-1101
Number of pages7
JournalEurophysics Letters
Issue number6
Publication statusPublished - Jun 2006


  • Bottle-nosed dolphins
  • range correlations
  • DNA-sequences
  • Tursiops Truncatus
  • information theory
  • Rhesus monkeys
  • Markov Chains
  • communication
  • repertoires


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