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Fig. 5. Experiments with a single frontal landmark. (i) Approach flights of four
bees (AD; n=16, 13, 41, 40, respectively). The location of the
food hole is indicated by a green cross, the median search position with a red
dot. (ii) Landmark azimuth distributions (bin width: 5°). 0° indicates
frontal; negative and positive angles represent the left and right visual
field of the bee, respectively.