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Wallpaper ID: 2275224

Animal Wallpapers > Other > Synchronised sleeping

Synchronised sleeping

Wallpaper Description:

Human/Nature Finalist. Photographer Franco Banfi and his fellow divers were following this pod of sperm whales (Physeter macrocephalus) in the Caribbean Sea near the Commonwealth of Dominica when the giants suddenly seemed to fall into a vertical slumber. This phenomenon was first studied in 2008, when a team of biologists from the UK and Japan inadvertently drifted into a group of non-responsive sperm whales floating just below the surface. Baffled by the behavior, the scientists analyzed data from tagged whales and discovered that these massive marine mammals spend about 7 percent of their time taking short (six- to 24-minute) rests in this shallow vertical position. Scientists think these brief naps may, in fact, be the only time the whales sleep.

Franco Banfi / BigPicture Photography Competition