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The decline of global whale populations Blue whale populations have declined dramatically due to unregulated commercial whaling, putting them at risk of extinction.. Prior to the setting up of the IWC in 1946, unregulated whaling had depleted a number of whale populations to a significant extent, and several whales species were severely endangered.
Orcas (or killer whales) are large, powerful aquatic apex predators. There have been incidents where orcas were perceived to attack humans in the wild, but such attacks are less common than those by captive orcas. [ 1 ]
When 41 sperm whales beached nearby in 1979, state parks officials burned and buried them. [9] Later that day, Thornton told the Eugene Register-Guard, "It went just exactly right. [...] Except the blast funneled a hole in the sand under the whale" and that some of the whale chunks were subsequently blown back toward the onlookers and their cars.
Killer whales have no predators -- except for humans. Documentaries like 'Blackfish' reveal the exploitation behind whale captivity. In the late 1960's, Famous orca Shamu was the whale who set the ...
According to federal data, more than 30 whales have been found washed up along the eastern shore since Dec. 1, with over a dozen of them off the coast of New York and New Jersey. To get a sense of ...
While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm.. Marine pollution occurs when substances used or spread by humans, such as industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms enter the ocean and cause harmful effects there.
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 ...
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 ...