Karamanlidis et al._Aquatic Mammal_video file from Aquatic Mammals on Vimeo.
A video of Mediterranean monk seal sleeping behavior.
Karamanlidis, A. A., Lyamin, O., Adamantopoulou, S., & Dendrinos, P. (2017). First observations of aquatic sleep in the Mediterranean monk seal (Monachus monachus). Aquatic Mammals, 43(1), 82-86.