|
|
Article: Elephant seals can sleep while diving.
- Article from:
- Asian News International
- Article date:
- November 11, 2009
CopyrightCOPYRIGHT 2009 Al Bawaba (Middle East) Ltd. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
Byline: ANI
Washington, November 11 (ANI): In a new study, scientists have determined that during some of their dives, migrating northern elephant seals slowly roll on their backs and allow themselves to sink downward, catching some sleep as well, to rest in the ocean depths.
Moving from their breeding colonies in California to their wintering areas in the mid-Pacific and around Alaska, the seals spend two to eight months at sea without a single pit stop. here's no land to climb on along the roughly 2,000- to 3,000-mile (3,200- to 4,800-kilometer) voyage, and the seabed is often miles below the surface.
It's long been known that, during the ...