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But the climate crisis is just one tragic setback in the humpback’s comeback. While on the longest migration routes of any animal, whales must dodge cargo ships on crowded coastlines, “ghost” fishing gear cut loose at sea and floating clouds of plastic pollution.

And because of a global market for omega-3 krill oil supplements and nutraceutical feed for pets and fish farms, whales now compete with humans for their main source of food.

Industrial krill fishing fleets are taking to the Southern Ocean in growing numbers and have been recorded dragging their nets into areas full of feeding whales. After years of challenging whalers, the activist group Sea Shepherd will spend this season tracking krill fishers.

The fishery operation “puts additional pressure on krill and krill predators that, along with growing bycatch of non-target species like the humpback and a lack of transparency across the industry, suggest that the current management framework is outdated and needs to change now,” the WWF’s Johnson told CNN.

Early in a career devoted to marine mammals, Johnson spent five years sailing on the research vessel of Roger and Katy Payne, the married scientists who blew humanity’s minds by releasing Song of the Humpback Whale in 1970.
While people were familiar with the echolocating clicks of dolphins and orcas, the first baleen whale noises were recorded by Navy engineer Frank Watlington by accident in the 1950s, and after the Paynes worked with fellow cetologist Scott McVay to record more humpback songs around Bermuda, they were played during marine mammal protection hearings in Congress and the United Nations. Ten million copies were inserted into National Geographic magazine in 1979 — the largest single pressing in history — and a global movement to Save The Whales grew big enough to … save the whales.

By 1986, the International Whaling Commission had instituted a global ban on all commercial whaling. While Japan, Norway and Iceland have continued regardless, years of lawsuits and international pressure forced Japan to lower its annual quota of Minke whales from 1,000 to 333, and the two boats of Kristján Loftsson, Iceland’s last whaler, harpooned two dozen fin whales in 2023.

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