Pilot whales are cetaceans belonging to the genus Globicephala. There are two extant species, the long-finned pilot whale and the short-finned pilot whale. The photographer had close encounter with pilot whales in the Strait of Gibraltar.
As air-breathing marine mammals, Pilot Whales have to regularly sojourn at the water surface. This offers ample opportunities for you to see them! Nevertheless, most of their time is spent beneath the surface.