Vigilance in badgers Meles meles: the effects of group size and human persecution

FAM Tuyttens, N Stapley, PD Stewart, DW Macdonald

    Research output: Contribution to journalA1: Web of Science-articlepeer-review

    Abstract

    Potential costs to badgers Meles meles (Linnaeus, 1758) of living in groups may be offset by the ability of a group to either improve predator detection, or reduce the time each individual must be vigilant to attain a certain likelihood of predator detection. Using an infra-red video-surveillance system, we show that badgers emerge later from their dens in a population that has been repeatedly subjected to lethal control by humans as compared to badgers from a nearby, undisturbed population. We further illustrate that, despite the apparent lack of a visual or vocal alarm signal to alert group members to a threat, corporate vigilance increases and individual vigilance levels decrease as badgers aggregate in groups (up to 4). These results highlight the possibility that the role of (human) predation in badger social evolution has not been sufficiently considered.
    Original languageEnglish
    JournalActa Theriologica
    Volume46
    Issue number1
    Pages (from-to)79-86
    Number of pages8
    ISSN0001-7051
    DOIs
    Publication statusPublished - 1-Mar-2001

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