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Natal dispersal (i.e. movements between the natal range of an individual and its first breeding site) is a complex process which can have profound impacts on population dynamics. In most species, only a proportion of juveniles actually disperse, but few empirical data are available on the factors that drive the decision to disperse. To understand the behavioural ontogeny of the decision to disperse,...
The mortality risk from hunting/predation should increase animals' vigilance and modify their selection of feeding sites. This risk may thus be costly if vigilance interferes with feeding and/or if animals select poorer but safer feeding sites. We observed the vigilance behaviour of roe deer, Capreolus capreolus, feeding in a fragmented landscape during and outside the hunting season and compared...
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