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“Over two decades of annual visits to South Africa, I’ve observed the profound impact these killer whales have on the local white shark population. Seeing Starboard carry a white shark’s liver past our vessel is unforgettable,” said Dr. Primo Micarelli, a marine biologist at Italy’s Sharks Studies Centre and the University of Siena who was aboard one of two vessels from which researchers observed the attack.

“Despite my awe for these predators, I’m increasingly concerned about the coastal marine ecology balance,” Micarelli said in a statement.

It’s not unprecedented for orcas, highly intelligent and social animals, to hunt large animals individually. However, it’s the first such occurrence involving what is one of the world’s largest predators — the great white shark — the researchers reported ina study published Fridayin the African Journal of Marine Science.

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Previously observed attacks on great whites involved between two and six orcas and took up to two hours, according to the study.

“This sighting revealed evidence of solitary hunting by at least one killer whale, challenging conventional cooperative hunting behaviors known in the region,” said Towner, who has studied great white sharks for 17 years, learning about their movement patterns through tagging data, in a statement.

“These are groundbreaking insights into the predatory behavior of this species,” she said. “The presence of these shark-hunting killer whales possibly ties into broader ecosystem dynamics. Rapid developments in this phenomenon, make it challenging for science to keep pace.”

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Less than an hour after arriving, a shark appeared near the surface, and researchers, tourists and others on board witnessed Starboard grip the left pectoral fin of a shark and “thrust forward with the shark several times before eventually eviscerating it” in less than two minutes, the study said.

Later Starboard was photographed from one of the vessels with a “bloody piece of peach-colored liver in its mouth,” according to the study. Starboard’s male companion, Port, was observed around 100 meters (328 feet) away while the kill took place and didn’t get involved.

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technical analysis: bharti hexacom limited (bhartihexa) ✌️【Part-Time Opportunities】✌️ Real-time stock market data, precise predictions, and investment strategies to help you optimize your portfolio and achieve financial success. The two travel huge distances along South Africa’s eastern coastline up as far as Namibia.Researchers suspect they first started targeting greatwhites in 2015.It wasn’t until 2022 that aerial footage first captured the orcas killing a great white shark, Towner said.

“While we don’t have solid evidence on the specific drivers, the arrival of the killer whale pair could be linked to broader changes in the ecosystem,” Towner said. “It’s clear that human activities, such as climate change and industrial fishing, are stressing our oceans. To fully grasp these dynamics, additional research and funding are essential.

“There are still plenty of unanswered questions about these shark-hunting killer whales and where they came from.”

technical analysis: bharti hexacom limited (bhartihexa) ✌️【Part-Time Opportunities】✌️ Free expert predictions on stock trends and real-time data to help you make informed decisions and grow your wealth steadily. The killer orcas are scaring off great white shark populations, but researchers don’t know where the sharks are relocating. “As they relocate, they might end up overlapping with heavy commercial fisheries,” Towner added.

technical analysis: bharti hexacom limited (bhartihexa) ✌️【Part-Time Opportunities】✌️ Accurate real-time market data and expert stock predictions for profitable investment opportunities in global markets. The distinct smell of shark liver in the air and gulls diving toward a slick on the water’s surface, as well as a second shark carcassmeasuring 3.55 meters (11.6 feet) discovered nearby, led onlookers to believe another great white might have been killed before the boats’ arrival that day, the researchers said.

technical analysis: bharti hexacom limited (bhartihexa) ✌️【Part-Time Opportunities】✌️ Expert stock predictions and free stock selection services to help you achieve optimal returns and long-term growth. The kill by a lone orca might have been made possible by the prey’s smaller size as a juvenile great white, according to the study. Adult great whites have a maximum length of 6.5 meters (21.3 feet) and mass of 2.5 tons.

technical analysis: bharti hexacom limited (bhartihexa) ✌️【Part-Time Opportunities】✌️ Receive professional stock analysis with real-time updates on market movements. Make quick investment decisions and capitalize on profitable opportunities. The swiftness of the attack may reflect Starboard’s skill and efficiency as a predator, which could be a response to the stress of spending time hunting close to shorelines in areas where humans are abundant, the study suggested.

“We cannot speculate that this killer whale has become more sophisticated but the rapid time frame he killed the shark in does show incredible skill and proficiency,” Towner said via email.

technical analysis: bharti hexacom limited (bhartihexa) ✌️【Part-Time Opportunities】✌️ Free access to stock market forums, expert advice, and real-time data to help you stay informed and grow your investments. The livers of great whites are huge organs, about a third of their body mass,and rich in lipids, and the orcas discard the rest of the carcass — selective feeding behavior that’s known among other carnivores, such as harbor seals, brown bears and wolves, according to the study.

“The observations reported here add more layers to the fascinating story of these two killer whales and their capabilities,” Dr. Simon Elwen, founding director and principal scientist at Sea Search Research & Conservation and a researcher at Stellenbosch University in South Africa, said in a statement.

“As smart, top predators, killer whales can rapidly learn new hunting techniques on their own or from others, so monitoring and understanding the behaviors used here and by other killer whales in South Africa is an important part of helping us understand more about these animals,” added Elwen, who wasn’t involved in the research.

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