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. 2018 Jan 10;13(1):e0189969. doi: 10.1371/journal.pone.0189969

Fig 1. Distribution of log-transformed duration of the dovekie foraging trips.

Fig 1

The vertical line indicates a cut-off value (log of 7.1 hours) to separate short and long trips, following the algorithm that minimizes the sum of the variances of both types of trips given their log-normal distribution [31].