Sometimes we all need a kelping hand – or fin. For the first time, orcas have been recorded making and using tools, ...

Orca ecotypes often have overlapping ranges, making their distinct characteristics even more surprising. For example, the so-called resident killer whales typically seen in the Pacific Northwest ...

When too many orcas target the same prey, the most immediate consequence is a rapid decline in prey numbers. Research in the Aleutian Islands demonstrated this effect when increased orca predation ...

A fourth type of Pacific killer whale may live miles offshore from California and Oregon, preying on whales, other dolphins, and sea turtles. ANIMALS Rogue orcas are thriving on the high seas ...

Scientists know of three distinct ecotypes of killer whales—offshore, transients, and residents—that make up the orca population along the California and Oregon coast. But a new study suggests ...

An orca pod in the Pacific Ocean off the coast of Mexico has devised a cunning strategy to hunt and kill whale sharks — the world’s largest fish that can grow up to 18 meters (60 feet) in ...

Three ecotypes of killer whale live along the coasts of California and Oregon: ‘residents’, ‘transients’, and ‘offshores’.

In the Southern Hemisphere, there are five different ecotypes of orca, with those named Type A and Type B1 orcas preferring marine mammals. The researchers wrote in the paper: ...

They keep apart," Trites said, noting that orca populations represent different ecotypes that eat different foods and display different behaviors. The three ecotypes found in British Columbia, ...

It was an orca-versus-dolphin matchup, and the dolphin didn’t stand a chance. In coastal waters near Chile in 2023, a massive female killer whale walloped the much smaller dolphin, sending it ...

Around the world, killer whales have often been thought to be one species, Orcinus orca, with many different ecotypes, meaning they're the same animal, but made up of different races.

An orca pod in the Pacific Ocean off the coast of Mexico has devised a cunning strategy to hunt and kill whale sharks — the world’s largest fish that can grow up to 18 meters (60 feet) in ...