Winners Of The BigPicture Wildlife Images 2017
Synchronized Sleepers
Human/Nature FinalistFranco Banfi and his fellow divers were following this pod of sperm whales in the Caribbean Sea off the Commonwealth of Dominica, when they suddenly seemed to fall into a vertical slumber. First observed in 2008, scientists have found that these massive marine animals spend about 7 per cent of their time alseep
Photo: Franco Banfi