The sea mammals may actually be able to sense the amount of oxygen in their blood—something we humans can't do.

Seals may be able to directly sense oxygen levels in their blood, an ability humans don't possess. A Scottish study reveals these marine mammals adjust their dives based on this ...

The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.

A team of scientists with the Sea Mammal Research Unit, School of Biology, University of St Andrews, in the U.K. has found that gray seals are able to monitor their blood oxygen levels as a means ...

A new study from researchers at the University of St. Andrews’s Sea Mammal Research Unit in Scotland suggests that some seals can cognitively perceive their blood oxygen supply and plan their ...

A paper published in Science on March 20th explains why: seals can apparently sense how much oxygen they have in their blood and plan their actions accordingly. When a mammal holds its breath ...