What does killer whales eat and do they eat moose? We have done the research! Jump in to read all about the feeding ...

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 ...

Orcas have long been revered as the ocean's strongest predators. In honor of World Orca Day, we're diving into why.

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 ...

Killer whales are at the top of the food chain and have no natural predators in the ocean, so the biggest threat to orcas is humans. In fact, whaling (the act of hunting whales) is still practiced ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Southern California’s loveable ...

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 ...

This shift could ripple down the entire food chain, putting pressure on the whole ecosystem, the team added. What's driving this killer whale spree in the first place? Fierce as they are ...

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 ...

In the ocean, these toothy creatures easily hold one of the top spots on the food chain (though the odds ... biologists filmed direct evidence of killer whales attacking and killing white sharks ...