Video S1 from Facing each other: mammal mothers and infants prefer the position favouring right hemisphere processing

A video clip illustrating the behaviours studied in Pacific walruses: (1) view from the observation point - a 60 m cliff above a haulout on Kolyuchin Island, Chukchi Sea, Russia, (2) face-to-face resting in mother and calf and (3) calf floating on the side of the mother prior to diving for suckling.