For the first time, scientists have recorded brain activity in a free-ranging, wild marine mammal, revealing the sleep habits of elephant seals during the months they spend at sea. The new findings, ...
Elephant seals sleep about 10 hours a day on the beach, but during months-long foraging trips at sea they average just 2 hours of sleep per day. These 2-month-old northern elephant seals are sleeping ...
The surprisingly short shut-eye may be a way for the elephant seal to avoid predators—an intriguing find from the first-ever sleep study on marine mammals in the wild. A baby northern elephant seal ...
Elephant seals sleep about 10 hours a day on the beach, but during months-long foraging trips at sea they average just 2 hours of sleep per day. These 2-month-old northern elephant seals are sleeping ...
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