Data regarding species group composition collected over 25 weeks (period 11 August 2016 to 29 May 2017).

Sightings were classified according to 19 descriptors: (A1) Common dolphins only; (A2) Striped dolphins only; (A3) Bottlenose dolphins only; (B1) Common dolphins with mother/hybrid pair together; (B2) Striped dolphins with mother/hybrid pair together; (B3) Bottlenose dolphins with mother/hybrid pair together; (C1) Common dolphins with mother/hybrid pair not together; (C2) Striped dolphins with mother/hybrid pair not together; (C3) Bottlenose dolphins with mother/hybrid pair not together; (D1) Common dolphins with one of the mother/hybrid pair (mother or hybrid); (D2) Striped dolphins with one of the mother/hybrid pair (mother or hybrid); (D3) Bottlenose dolphins with one of the mother/hybrid pair (mother or hybrid); (E1) Mother/hybrid pair only; (E2) Mother only; (E3) Hybrid only; (F1) Common mixed with striped dolphins; (F2) Common mixed with bottlenose dolphins; (F3) Bottlenose mixed with striped dolphins; (F4) Common and striped dolphins mixed with mother/hybrid pair.

本数据集的目击事件共依据19项描述符完成分类，具体如下：(A1) 仅出现普通海豚（Common dolphins）；(A2) 仅出现条纹海豚（Striped dolphins）；(A3) 仅出现宽吻海豚（Bottlenose dolphins）；(B1) 伴随有共处一处的母子/杂交个体对的普通海豚群体；(B2) 伴随有共处一处的母子/杂交个体对的条纹海豚群体；(B3) 伴随有共处一处的母子/杂交个体对的宽吻海豚群体；(C1) 伴随有未共处一处的母子/杂交个体对的普通海豚群体；(C2) 伴随有未共处一处的母子/杂交个体对的条纹海豚群体；(C3) 伴随有未共处一处的母子/杂交个体对的宽吻海豚群体；(D1) 伴随有母子/杂交个体对中单个个体（母亲或杂交个体）的普通海豚群体；(D2) 伴随有母子/杂交个体对中单个个体（母亲或杂交个体）的条纹海豚群体；(D3) 伴随有母子/杂交个体对中单个个体（母亲或杂交个体）的宽吻海豚群体；(E1) 仅出现母子/杂交个体对；(E2) 仅出现母本个体；(E3) 仅出现杂交个体；(F1) 普通海豚与条纹海豚混合群体；(F2) 普通海豚与宽吻海豚混合群体；(F3) 宽吻海豚与条纹海豚混合群体；(F4) 伴随有母子/杂交个体对的普通海豚与条纹海豚混合群体。