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Social dominance in relation to age and size (tarsus length). Statistical analysis was carried out using raw data, but for graphical purposes, individuals were grouped by tarsus size (tarsus ≤ 45.8; or >45.8) and age. Lines show the predicted values of the logistic regression in table 1 for the average tarsus length of each group (44.8 and 46.8). Low rank indicates high dominance.
