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.

via BBC News, Treehugger