Māui’s dolphin (Cephalorhynchus hectori maui) and South Island Hector’s dolphin (Cephalorhynchus hectori hectori) 5-Year Review: Summary and Evaluation

Information was updated from the last status review report (Manning and Grantz 2017) based on peer-reviewed publications, government and technical reports, conference papers, workshop reports, dissertations, theses, and personal communications. Information was gathered from May through July 2024. The information on the biology and habitat, threats, and conservation efforts related to Māui’s dolphins and South Island (SI) Hector’s dolphins was summarized and analyzed in light of the ESA section 4(a)(1) factors (see Section 2.5) to determine whether a reclassification or delisting may be warranted (see Section 3.0).