But there might be a contender for top of the food chain. For the first time, a killer whale has been seen individually killing and consuming a great white shark – and within just two minutes.

This has concerned scientists, who believe that the killer whales have unbalanced the food chain. In a healthy ecosystem, predators control prey numbers through consuming them. At the same time, the ...

The endangered southern resident killer whale population isn’t getting enough to eat, and hasn’t been since 2018, a new UBC study has determined. The animals have been in an energy deficit, averaged ...

Killer whales are intelligent predators that are ... isotopes which tell us what the whales eat and how they impact the food chain. Our technique measures the lipid composition in the whale ...

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The researchers say the findings support the need for proper waste disposal to prevent contaminants from entering the oceans’ food chains and reaching the top predators. They explain that the findings ...

However, DDTs persist in the environment and accumulate in organisms throughout the food chain, leading to particularly high concentrations in top predators like killer whales. DDTs are known as ...

The result leaves animals high on the food chain, like killer whales, without adequate prey. The study showed a significant decrease in salmon between the years 1979 and 2020. Four years lacked ...

Both elegant and fierce, killer whales are some of the oceans ... in animals’ fat stores as the contaminants move up the food chain though a process called biomagnification.

They sit at the top of the marine food chain, hunting sharks ... and even beach themselves to grab prey. Killer whales have large, complex brains. They teach hunting techniques to their young ...

Orcas or killer whale sightings, although rare ... these predators sit atop the food chain and utilise teeth up to four inches in length. “They make their victims tired - whether they're ...

That's because killer whales are known to eat their livers, too. Jorgensen says it just shows why killer whales are at the very top of the food chain. Lauren Sommer, NPR News.