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Average feeding times (s) on the best quality patches for the highly clumped (HC) and slightly clumped (SC) food distributions. Mallards were foraging alone (S) or in pairs, subdivided into dominants (Dom) and subordinates (Sub). Box plot shows median (line in box), interquartile range (box), 10th and 90th percentile (bars) and outliers (dots; data points outside the 10th and 90th percentiles)
