Dolphins off Herron Island, August 2016

The following video was taken by islander Kelly Fahlman from the ferry's 12:00 shuttle on August 11th.  From Wikipedia's description, they appear to be short-beaked common dolphins.  Click below for the short and long versions of Kelly's video.

      Short clip (5 seconds, 3 MB)
      Long clip (55 seconds, 33 MB)