noaasanctuaries: A levitating dolphin? Not quite! When small cetaceans like this common dolphi
noaasanctuaries: A levitating dolphin? Not quite! When small cetaceans like this common dolphin make low leaps near the surface of the water while they travel, they are said to be porpoising. There are several theories about why dolphins leap like this, but some researchers believe it enables them to save energy. (Photo: Peter Flood, taken near Stellwagen Bank National Marine Sanctuary) [Image description: A head-on view of a common dolphin leaping forward out of the water.] -- source link