Humpback whales that spend their winters in Hawaii, like this mother and calf, have declined over the last decade. Martin van Aswegen /Marine Mammal Research Program, University of Hawaii at Manoa, NMFS Permit No: 21476/21321
Martin van Aswegen /Marine Mammal Research Program, University of Hawaii at Manoa, NMFS Permit No: 21476/21321
After decades of whaling decimated their numbers, humpback whales have made a remarkable comeback. The 50-foot giants, known for their elaborate songs, have become common in parts of the Pacific Ocean they disappeared from.
Now, a new study finds
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