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Articles on Killer whales

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Female elephant seals take seven-month feeding trips during which they balance danger, starvation and exhaustion. Dan Costa

Risk versus reward on the high seas – skinny elephant seals trade safety for sustenance

By measuring how and when elephant seals sleep, researchers were able to figure out how elephant seals change their risk-taking behavior as they gain weight.
A female killer whale leaps from the water in Puget Sound near Seattle. (AP Photo/Elaine Thompson)

Pacific killer whales are dying — new research shows why

Scientists had been uncertain about why killer whales are dying in the northeastern Pacific Ocean. A new study takes an in-depth look and provides the tools to help prevent additional deaths in the future.

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