Figure 2
From: Humpback whale song recordings suggest common feeding ground occupation by multiple populations
Proportion of HWS1 hours at the Greenwich Meridian averaged per month and recording location (G1–G4) from January 2011 until October 2018 (orange bars). Vertical error bars show the respective standard deviations and continuous grey bars represent months without recording data. The blue solid lines and the right y-axis depict the daily averaged sea ice concentration per location within a 50 km radius.
