Unlike Other Mammals, Newborn Dolphins and Killer Whales Stay Active 24/7 During First Months of Development
If you thought the sleep-deprived months with your newborn were tough, pity the poor mother dolphin or killer whale.
Reporting in the June 30 edition of the peer-reviewed journal Nature, UCLA/Veterans Affairs neuroscientists report a developmental pattern in bottlenose dolphins and killer whales that is unique from other mammals, with calves of both species active 24 hours a day during their first month.