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Fig. 2. Learning experiments. (A) Successive flights of a bee trained with a single
landmark. (i) Flights to a feeder while it was moved toward the final training
position. The feeder was moved on the connecting line between entry (black
square) and center of landmark (thin line at far right). Arrows point to
feeder positions. A single unsuccessful flight was excluded. (ii) Flights
120 performed after the bee learnt the final feeder position. (iii)
Flights 5170. (iv) Flights 101120, after which the bee ceased to
return. (B) Flight duration over successive flights after training. The
duration of the approach to within 25 cm of the food hole of 119 successive
flights is shown as dots, together with a smoothed spline function to
emphasize the trend. Five unsuccessful approach flights were excluded from the
analysis. Numbers with lines indicate days at which experiments were
performed.