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Over 250 boats have been damaged by the orcas and four vessels have sunk. [6] [7] The frequency of attacks has increased over time. From July until November 2020, 52 orca interactions were reported. The behaviour continued into 2021, with another 197 interactions recorded, and into 2022, with 207 interactions.
Killer whales have reportedly attacked more than 500 boats in European waters recently. Are they exacting revenge for humanity's treatment of orcas? Why are killer whales going 'Moby-Dick' on ...
Since 2020, a group of killer whales in the Strait of Gibraltar has sunk three vessels and disabled dozens more. The reason why is unclear. Experts share their theories.
Oceana, a conservation group based in D.C., has reported numerous collisions between North Atlantic right whales and boats. These collisions have resulted in the deaths of right whales.
The killer whales regularly demonstrate their competence by chasing seals up shelving gravel beaches, up to the edge of the water. The pursuing whales are occasionally partially thrust out of the sea by a combination of their own impetus and retreating water, and have to wait for the next wave to re-float them and carry them back to sea. [12]
Ocean acidification is the ongoing decrease in the pH of the Earth's ocean. Between 1950 and 2020, the average pH of the ocean surface fell from approximately 8.15 to 8.05. [ 63 ] Carbon dioxide emissions from human activities are the primary cause of ocean acidification, with atmospheric carbon dioxide (CO 2 ) levels exceeding 422 ppm (as of ...
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Before extensive research on whale vocalizations was completed, the low-frequency pulses emitted by some species of whales were often not correctly attributed to them. Dr Payne wrote: "Before it was shown that fin whales were the cause [of powerful sounds], no one could take seriously the idea that such regular, loud, low, and relatively pure frequency tones were coming from within the ocean ...