Abstract
Geographic variation in behaviour of individuals within a species is well known (Foster & Endler 1999), both across ranges (Iriarteet al. 1990) and locally (Hertz & Huey 1981). For predators, variation in prey use within a given site is often seasonal (Brillhart & Kaufman 1995), and related to changes in relative abundance and/or vulnerability of various prey (Kunkelet al. 2004). Behavioural diversity also occurs because prey behaviours vary and predators change foraging tactics, even on a daily basis (Ropert-Coudertet al. 2002).
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