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. Author manuscript; available in PMC: 2021 May 24.
Published in final edited form as: Physiol Behav. 2007 May 31;92(4):725–733. doi: 10.1016/j.physbeh.2007.05.064

Figure 3.

Figure 3.

Simultaneous recording of eye state in a bottlenose dolphin mother and her calf (pair 2) during slow circular swimming. The state of each eye (R -right, L -left) is marked as open (O), closed (C) or intermediate (I). The position of the calf relative to its mother is shown as inner (I) or outer (O). The direction of swimming in the dolphin pair is marked as counterclockwise (CCW) or clockwise (CW). Interruptions in the record of eye state and calf position (at 0:45 and 3:15) represented gross periods of activity during which time dolphin eyes could not be continuously monitored. However, when visible, both eyes were open at these times.