Animal Behavior
Dolphins and Porpoises
Bottlenose Dolphins

How is a dolphin nocturnal?

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Answer

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Wiki User
05/01/2010

A dolphin is not nocturnal... Dolphins sleep with one half of their brain plus one eye closed, then switching to the other side of the brain and the other eye closed during other parts of the day -- slowing down everything inside their bodies and moving...in other words are not nocturnal, they hunt during the day and sleep during the night...like humans.