Fig. 5. Orientation of ants 0.5 m (inner circle) and 5 m from the release point following a sideways displacement of 1.5 m, 3 m, 6 m and 10 m from the feeder. Nest direction, mean vector , length of the mean vector r and sample size N are shown. The arrowhead indicates the true nest direction, Nest , from the point of release.