A miles-long cluster of dolphins has been filmed leaping and gliding across Carmel Bay off the central coast of California, forming an unusual “super pod” of more than 1,500 of the marine creatures.

A mileslong cluster of dolphins was filmed leaping, gliding and cavorting their way across Carmel Bay on the Central Coast of ...

Risso’s dolphins typically travel in groups of only 10 to 30 animals, according to the National Oceanic and Atmospheric Administration.

A super pod of more than 1,500 Risso’s dolphins was spotted in Carmel Bay this week, an uncommon sighting that highlights the ...