(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.



Fig. 2. (A–C) Three examples of foraging paths performed with a barrier (solid lines in Ai–Ci) between crab and burrow, digitized at 1 frame s-1. Horizontal arrows (Aii–Cii) indicate when the barrier was between the crab and burrow. Conventions as in Fig. 1.