Skip to main content

Up Next

Back to Show
Changing Seas

Mystery of the Humpback Whale Song - Trailer

Each winter, a population of humpback whales migrates to its breeding grounds in the Hawaiian Islands. It is here that male humpbacks perform their elaborate and haunting song. Experts are studying the purpose of this song and what it might tell them about the animals’ overall fitness. Footage of humpback whales & whale research taken under the authority of NMFS MMPA/ESA Permit No. 19655.

Support Provided By
Season
Florida’s Blue Holes: Oases in the Sea
Unlock with PBS Passport
26:42
Scientists set out to uncover the mysteries of blue holes.
The Cordell Bank: A National Treasure
26:42
Discover the Cordell Bank, a magical underwater island few people have ever heard of.
Fishing the Flats for Science
Unlock with PBS Passport
26:42
Scientists study tarpon, bonefish and permit to better understand their behaviors.
Lords of the Wetlands
Unlock with PBS Passport
26:42
Scientists work to save crocodiles through research and conservation.
Cryptic Critters
Unlock with PBS Passport
26:42
Deep underwater, on a shipwreck near Key West, lives a tiny potential new threat.
Dolphins: Breaking the Code
Unlock with PBS Passport
26:43
Modern technology is making it possible to correlate dolphin sounds and behavior.
Majestic Mantas
Unlock with PBS Passport
27:13
Scientists experimant to see if giant manta rays are impacted negatively by microplastics.
The Fate of Carbon
Unlock with PBS Passport
27:13
Changes to the ocean environment affect the way carbon is cycled through the seas.
Toxic Algae: Complex Sources and Solutions
Unlock with PBS Passport
27:13
Lake Okeechobee, once the blue heart of Florida, now has putrid mats of blue green algae.
The Future of Seafood
Unlock with PBS Passport
27:18
Discover ways to increase fish production in a sustainable manner.
Beneath the Bridge
Unlock with PBS Passport
26:43
Discover what lives beneath the Blue Heron Bridge in Florida.
Maug’s Caldera: A Natural Laboratory
Unlock with PBS Passport
26:43
Visit the remote Pacific, the islands of Maug - a natural laboratory for scientists.
Active loading indicator