13th Annual Smithsonian Magazine Photo Contest Natural World
A Humpback whale off the coast of Provincetown, MA.

Many species of whales are known to come to the surface of the water and slap around with their pectoral fins. Researchers have not yet been able to figure out the exact reasoning behind this behavior. Slapping may be a sign of aggression, communication, or simply playfulness.

Photo Detail
Date Taken: 08.2015
Date Uploaded: 08.2015
Photo Location: Provincetown, MA, Massachusetts, United States of America
Camera: NIKON D40X
Copyright: © Rebecca Raffo