Ocean Giants, "Voices of the Sea" - Preview
Season 30
Episode 10
About the Episode
Humpback whales' songs carry thousands of miles, while a sperm whale scans the ocean depths with a sonar laser beam louder than a thunderclap. "Voices of the Sea" reveals a surprising underwater world where sound takes the place of sight. 4/11/2012
Aired:
| Expires: | Runtime: 30s
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Extras
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Growing Up as a Radiated Tortoise
It takes 15 years of care before a baby Radiated Tortoise is ready for life in the wild.0:48 -
No Two Radiated Tortoises Are Alike
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In the otherworldly Spiny Forest of Madagascar, a historic release is about to take place.19:31 -
Reclaiming Bear River | WILD HOPE
The Bear River was once a lush area with wetlands, hot springs, and abundant wildlife.17:25 -
Hummingbird Rescue: Baby Twins
Terry Masear helps rescue baby hummingbird twins whose mother died.2:18 -
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