2-month-old northern elephant seals sleep on beach at A ñ o Nuevo State Park

Two-month-old northern elephant seals sleep on the beach at Año Nuevo State Park. Researchers recorded the brain activity of free-ranging elephant seals for the first time, revealing that while they may spend 10 hours a day sleeping on the beach during breeding season, they average just two hours ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video