Between September to December 2016, Global Positioning System (GPS Pathrack) data loggers were attached to breeding northern rockhopper penguins during the three distinct stages of the nest-attendance part of their breeding cycle; incubation, brood-guard and creche, on Nightingale (37 deg 25''S, 12 deg 28''W; 4 km2) and Inaccessible (37 deg 17''S, 12 deg 40''W; 14 km2) Islands.

This tracking data successfully augments and complements existing data sets for the species breeding in the South Atlantic, which enables systematic identification of areas of particular relevance for this species, and thus to help determining whether there is a need to improve marine spatial planning in form of e.g. Marine Protected Areas in the island''s Exclusive Economic Zone (EEZ).

Data were collected as part of the Darwin Plus funded Project Pinnamin (grant DPLUS 053), 2016 - 2018.