Ocean Giants: Voices of the Sea
- Episode aired Apr 11, 2012
Humpback whales' songs carry thousands of miles, while a sperm whale scans the ocean depths with a sonar laser beam louder than a thunderclap. Discover a surprising underwater world where so... Read allHumpback whales' songs carry thousands of miles, while a sperm whale scans the ocean depths with a sonar laser beam louder than a thunderclap. Discover a surprising underwater world where sound takes the place of sight.Humpback whales' songs carry thousands of miles, while a sperm whale scans the ocean depths with a sonar laser beam louder than a thunderclap. Discover a surprising underwater world where sound takes the place of sight.