(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.


Figure 3


Fig. 3. The number of changes in flight orientation in an x, y coordinate system, showing that the search flights are centred on the location of the virtual feeder. The virtual feeder is located at the origin (0 m, 0 m), and the hive is located at (210 m, 0 m).