The ontogeny of foragwehaviour in desert ants, Cataglyphis bicolor

摘要: . 1. Individually foraging desert ants, Cataglyphis bicolor, exhibit short lives (half lifetime, i.e. half-time of the exponential decay function: 4.5 days), in which they perform 3.7 ± 1.9 runs per day. 2. During their lifetime period ants increase duration round trips (up to 40.0 ± 24.6 min run), maximal distance individual 28.2 ± 4.1 m), and success, ratio successful total number 0.70). 3. The parameter that increases most dramatically during a forager's is direction fidelity, tendency remain faithful particular direction. 4. A model based on some simple behavioural rules used describe experimental findings within an isotropic food environment develop spatial idiosyncrasies, do so at rate with densities encounter. 5. Finally, it argued functional terms fidelity related navigational benefits resulting from exploiting familiar (route-based) landmark information, hence reduces round-trip time by this physiological stress predatory risk.