资讯

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Northern elephant ...
Elephant seals sleep about 10 hours a day on the beach, like these 2-month-old northern elephant seals resting at California's Año Nuevo State Park.
The seals fall into sleep during deep dives of up to 377 meters, which is around 1,235 feet, to avoid predators. They spiral downwards for about 10 minutes at a time during half-hour dives, and ...
An elephant seal forages for fish near an underwater observatory called in Berkley Canyon off the coast of British Columbia. This subsea lab named NEPTUNE is over 2,000 feet deep and a team of ...
The northern elephant seal has been found to only need two hours’ sleep while out at sea (Picture: Getty) Elephant seals sleep underwater in 10-minute naps while out at sea, gently spiralling ...
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 ...
Elephant seals are being used as nature's artificial intelligence to monitor the health of the oceans -- especially the little-known "twilight zone," an ecosystem abundant with fish that could ...
Take that, plus what elephant seals accomplish at sea, and our modern sleep habits might start to look suspect. But duration can be deceiving, Bhagwandin told me.
When eight young northern elephant seals suddenly began showing up at a deep-sea observatory, researchers were taken by surprise. Their repeated visits to the research site, otherwise a speck in ...
Between 2022 and 2023, at least eight male elephant seals, ages four to seven, were seen on camera and detected by hydrophones at Ocean Network Canada’s subsea cabled observatory NEPTUNE.
Genomic and fitness consequences of a near-extinction event in the northern elephant seal. Nature Ecology & Evolution , 2024; DOI: 10.1038/s41559-024-02533-2 Cite This Page : ...