Adelie and Chinstrap penguins were fitted with both GPS loggers and time-depth recorder (TDR) tags for between two and fourteen days in order to log their three-dimensional foraging trips. Tags were deployed between December and February of 2011/12, 2013/14 and 2015/16 with a total of 36 Adelie penguin GPS tracks, 37 Adelie penguinTDR tracks, 52 Chinstrap penguin GPS tracks and 48 Chinstrap penguin TDR tracks.

Adelie and Chinstrap penguins were fitted with a combined GPS and time-depth recorder (TDR) tags for between two and fourteen days in order to log their three-dimensional foraging trips. Tags were deployed between December and February of 2008 with a total of 19 Adelie penguin tracks and 35 Chinstrap penguin tracks.