A Non-Lévy Random Walk in Chacma Baboons: What Does It Mean?

Cédric Sueur

PLOS ONE, 2011, vol. 6, issue 1, 1-5

Abstract: The Lévy walk is found from amoebas to humans and has been described as the optimal strategy for food research. Recent results, however, have generated controversy about this conclusion since animals also display alternatives to the Lévy walk such as the Brownian walk or mental maps and because movement patterns found in some species only seem to depend on food patches distribution. Here I show that movement patterns of chacma baboons do not follow a Lévy walk but a Brownian process. Moreover this Brownian walk is not the main process responsible for movement patterns of baboons. Findings about their speed and trajectories show that baboons use metal maps and memory to find resources. Thus the Brownian process found in this species appears to be more dependent on the environment or might be an alternative when known food patches are depleted and when animals have to find new resources.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0016131

DOI: 10.1371/journal.pone.0016131

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