the "dolphin guy" told us that dolphins only let half of their brain fall asleep. the left side will sleep and the right side will stay awake to tell it to come up for air, then the right side will sleep and the left side will stay awake to tell it to come up for air.
the one on the right was sleeping:
totally lost interest in the dolphins.
weighing and feeding the dolphins,
brennan was talking to them, so cute
little high pitched noises
the trainers thought it was so cute