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Fig. 7. Assessment of the tendency for a novel landmark to repel bees. Ratios of
bees turning just before the landmark to those turning at the landmark; black
bars, familiar landmark; grey bars, novel landmark. The black line shows the
ratios of bees turning before and after the landmark in Experiment 3 only. The
conditions were `Landmark at unit 4', `Landmark at unit 9' and `Landmark at
unit 14'.