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Boxplots showing the foraging and learning behaviour of forager bumblebees under the four treatments with wind disturbance (Experiment 2). (a) The number of flower visits for forager bees to reach the learning criterion of 8 out of 10 consecutive drinks from rewarding flowers, (b) the total number of drinks from rewarding flowers and (c) the number of correct choices made after landing on a flower; *p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001.
