
Dolphins are one of the most adored aquatic mammals due to their charismatic and friendly nature. In Hawaii, spinner dolphins attract thousands of tourists to the island every year, but the lack of regulation on human interaction with these social creatures is changing their behavior and disrupting their sleep cycle:
Spinner dolphins are nocturnal, foraging in the deep ocean at night and returning to shallow waters to rest during the day, said Susan Pultz, the chief of conservation planning and rule-making for the National Marine Fisheries Service.
“When you get the numbers [of tourists] we’re seeing, they’re constantly disturbed all day long. That’s their resting period,” said Pultz.
“As we all know, if you don’t rest day after day after day, it does affect your fitness.”
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