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. 2019 May 15;14(5):e0215644. doi: 10.1371/journal.pone.0215644

Fig 4. Plot of the proportions of each excavating behavior performed during each experimental condition.

Fig 4

The abbreviations stand for Open Hole Condition of Experiment 1 (OH1, N = 4), Loose Soil Condition of Experiment 1 (LS1, N = 71), Compacted Clay Condition of Experiment 1 (CC1, N = 240) and Compacted Soil Condition of Experiment 2 (CS2, N = 81).