Dolphin Lets Diver Know it Needs to be Rescued, Gets Set Free
Using an underwater camera, Martina Wing of Ocean Wings Hawaii filmed amazing footage of a bottlenose dolphin approaching a diver to let him know that it needed to be freed from a fishing line. The diver, instructor Keller Laros, cut the animal loose from its entanglement to set it free. This encounter happened in the waters off of Hawaii’s Big Island.
http://youtu.be/Npg5SSaX5_M
via BBC News, Treehugger