Weird Nature Killer Whales Are The Biggest Jerks In The Entire Ocean  

Eric Vega
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Although their name would suggest otherwise, killer whales are generally thought to be gentle giants of the sea. Free Willy and other whale-centric films have managed to brand orcas as some of the friendliest marine mammals, but in reality, killer whales can be brutal and ferocious, hunting everything from small fish to seals and dolphins. Since orcas are extremely intelligent, they often use their developed communication skills and carnivorous instincts to dominate the ocean as apex predators. A group of aggressive orcas have the collective power to take down almost any threat, including humans. 

Many may simply attribute orcas' bloodthirsty tendencies to their natural instincts rather than any inherent sadistic preferences. The orca facts listed below, however, may give you a fresh understanding of where killer whales get their name. While plenty of people fear sharks, perhaps these seemingly friendly marine mammals are the true, unrecognized threat of the sea.

They Often Target Whales Calves

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Photo:  Blatant World/Flickr/CC BY 2.0

While most large whales tend to live off of small fish like krill, orcas sometimes hunt the offspring of their close relatives, bowhead whales. They usually do so by attacking a calf and its mother as a group, aiming to separate the mother and child. They will then attack the calf by either ramming it, or holding it underwater.

While the bowhead mother is sometimes successful in saving her baby, this is sadly not always the case. 

Even Great White Sharks Can Be Victims

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Photo:  catmando1962/Flickr/CC BY-SA 2.0

In May of 2017, four carcasses of great white sharks washed up on the beaches of South Africa. It wasn't long before orcas became the primary suspects in these bizarre killings. The sharks had some very specific injuries that were as brutal as they were precise. Each of them had suffered brutal damage to their livers and testicles––the former of these, which was removed from all four sharks, is known to possess essential nutrients for orcas, providing a possible reason for the meticulous attack.

One Whale Was Responsible For The Deaths Of Three People

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Photo: Unknown/Max Pixel/Public Domain

In 2013, the documentary Blackfish premiered and changed the public's perception of captive orcas forever. For decades, the killer whales of SeaWorld were the primary draw for the zoo/amusement park hybrid. Unfortunately, the prison-like nature of the orcas' captivity led to a total breakdown for one of their star orcas, Tilikum.

Tilikum was the subject of the documentary and made national news after killing one of his trainers. Tilikum was responsible for three deaths in his lifetime. The first was an employee at a now-defunct marine park known as Sealand, a place where Tilikum was kept in appalling conditions. He was eventually sold to SeaWorld to play the role of Shamu, and it was there that he claimed his next two victims. One was Dawn Brancheau, a star orca trainer at the park. Captivity-induced stress is believed to be the cause of Tilikum's aggressive behavior, and SeaWorld has since put an end to their orca breeding program. 

Dolphins Can Also Be Targets

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Photo:  werdepate/Pixabay/Public Domain

While dolphins are agile creatures, they're no match for the hunting instincts of a pack of hungry orcas. Orcas will stun dolphins by slamming into them at full speed, giving them an opportunity to grab hold of the dolphin before it can regain its bearings and swim away.