Dolphins are a highly varied animal group with 69 species of dolphins grouped in nine different families. Learn more about dolphin taxonomy from a marine biologist in this free video on dolphins.
Expert: Maddalena Bearzi, Ph.D.
Bio: Maddalena Bearzi is the co-founder and president of the Ocean Conversation Society in Los Angeles, California.
Filmmaker: dino ziric
Series Description: Dolphins are an interesting, smart sea mammal. Learn more about the life of dolphins with help from a marine biologist in this free video on dolphins.
