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Use of space by juveniles in relation to their postnatal range, mother, and siblings: an example in the wild boar Sus scrofa L.

1994; NRC Research Press; Volume: 72; Issue: 9 Linguagem: Inglês

10.1139/z94-227

1480-3283

Sylvie Cousse, François Spitz, Mark Hewison, Georges Janeau,

Human-Animal Interaction Studies

Eight juvenile (3–8 months) wild boars belonging to two separate litters, and the mother of each litter, were radiolocated daily. The position of an individual juvenile at the time of each location was classified according to its association with its postnatal range, its mother, and its siblings. Preliminary analysis showed that location relative to the postnatal range was independent of association with the mother and siblings, while association with the mother was positively correlated. Although a degree of attachment to their postnatal range persisted in juveniles, surrounding areas were used preferentially. Juveniles were equally likely to be located in the presence of their mother as without her, but they generally separated from their mother during exploratory phases outside the postnatal range. Individual differences in exploratory behaviour occurred between juveniles from the same litter.