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23.107 Изгледи
The humpback whale population that migrates between Hawaii and Alaska is considered a conservation success story. When sightings of the animals suddenly dropped, people became concerned. Scientists in both locations are trying to understand what happened to the whales and why.
Първа ефирна дата : Jan 27, 2009
Дата на последния ефир : Jun 29, 2022
Епизод : 56 Епизод
Сезон : 14 Сезон
Времетраене: 27 минути
Студио: PBS
Страна: United States of America
В ролите: Craig Sechler