A humpback whale and its calf. Photo by J. Moore/HIHWNMS/NOAA/MMHSRP, permit # 20311)

Two episodes highlighting humpback whales and featuring researchers from the University of Hawaiʻi at Mānoa and UH Hilo are in a new PBS series, Changing Seas, according to a recent UH news release.

The series premiered on June 22. The second episode airs June 28. After those dates, the episodes will be available for streaming on changingseas.tv or on the “Changing Seas TV” YouTube channel.

UH researchers who appear in the first two episodes Vanishing Whales and Humpback Health include Kristi West, an associate researcher at UH Mānoa’s Hawaiʻi Institute of Marine Biology; Martin van Aswegen, a PhD candidate at UH Mānoa’s Marine Mammal Research Program (MMRP); Adam Pack, a marine mammal scientist at UH Hilo; and Lars Bejder, director of MMRP.

“Marine mammals serve an important educational, economic and cultural role in Hawaiʻi,” said Bejder. “Hawaiʻi also boasts a rich cultural history, as well as strong tourism and fishing industries, renewable energy resources and a military presence. Many of these activities, along with other emerging threats, including climate change, have the potential to negatively impact


Vanishing Whales” takes a closer look at the humpback population that migrates between Hawaiʻi and Alaska. Its decades-long recovery from commercial whaling is considered a conservation success story. But when sightings of the animals suddenly dropped, people became concerned. Now, scientists in both locations are trying to understand what happened to the whales and why.

Humpback Health” delves deeper into the many mysteries that remain about these ocean leviathans. When in their Hawaiian breeding grounds, the humpbacks fast for an extended period, while expending energy on mating and giving birth. Now, for the first time, a team of scientists is making remarkable discoveries about how the whales’ body size and overall health change across the animals’ migratory cycle.

“It is really important that we study these issues and provide outlets for community members to learn about these animals and the threats that they are exposed to,” said van Aswegen. “This documentary provides a good overview information on the humpback whales in Hawaiʻi and how our research group is studying them.”

“Humpback whales hold a special place in the hearts of Hawaiian residents and are recognized sentinels of ocean health,” said West, who is also the director of UH Mānoa’s Stranding Lab. “Evaluating the impact of threats faced by humpback whales is critical to effective conservation efforts.”

Other episodes in the series include “Kelp: Hidden Treasure of the Salish Sea,” showing the decline of kelp forests in the Pacific Northwest, and “Saving Florida’s Starving Manatees,” which examines why Florida’s iconic sea cows are dying in record numbers.

Premiere dates

After the premiere date, episodes will be available for streaming on changingseas.tv or on the “Changing Seas TV” YouTube channel.


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