Dolphins Move Away From Danger Zones
Dolphins instinctively leave coastal areas before tsunamis strike. Local fishermen noticed a complete absence of dolphins from Sri Lankan shores hours before the 2004 tsunami hit. Their advanced echolocation system can detect underwater disturbances created by distant waves. These marine mammals quickly respond to these signals by swimming to safer waters. Coastal communities with traditional fishing practices have learned to view dolphin behavior as a reliable warning sign.