Some maps for Linsky et al. https://doi.org/10.1186/s40317-020-00218-8
Linsky, J.M.J., Wilson, N., Cade, D.E. et al. The scale of the whale: using video-tag data to evaluate sea-surface ice concentration from the perspective of individual Antarctic minke whales. Anim Biotelemetry 8, 31 (2020). https://doi.org/10.1186/s40317-020-00218-8