Figure 1. Position of calves in calf-mother pairs.

(A) The distribution of 29 individually identified pairs depending on the percent of time spent by calf to the right of the mother (image insertion shows a view from the observation tower on two calves surfacing to the right of their mothers; see also Video S1). (B) Number of non-identified pairs registered during scans of the sea from the observation tower in two successive years (*G ₁ = 9.3, P = .0023; **G ₁ = 22.22, P<.0001).