Details of humpback whale encounters involving mother-calf pairs off west South Africa of which all the mothers and some calves (in post-natal years) were resighted.

Identification of calves based on calf size relative to mother, and observation of close association.
1 =  Calves of the year not seen again after natal year are identified by capital letters A-H.
2 =  Maternity confirmed by PO relationship shown in ML-Relate, where samples were available.