Boat speed (knots)
ID
Length (m, mean)
SD
Group size
Identity
10 10_1 1.36 0.02 1
10_2 1.82 0.07 2 mother
10_3 1.48 0.03 1
10_4 1.83 0.03 2 mother
10_5 1.46 0.03 1
10_7 2.21 0.06 3 mother
10_8 1.33 0.02 1
20 20_1 1.55 0.03 1
20_2 1.61 0.04 1 mother
20_4 1.06 0.00 2 calf
20_5 1.53 0.02 1
20_6 1.56 0.03 1
20_7 1.78 0.08 1
20_8 0.80 0.01 1
20_9 1.57 0.05 2 mother