Distinct killer whale populations are known as “ecotypes” and can differ in size, colour and body proportion. Where their ecological ranges overlap, ecotypes rarely interact and do not appear ...

The data distinguish two of the killer whale ecotypes of the North Pacific Coast—residents and Bigg's—as separate species. "We started to ask this question 20 years ago, ...

Killer whales in the Pacific are grouped into three ecotypes: Residents, which live close to shore and eat salmon and other fish; offshores, which live farther out and also eat fish; and ...

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.

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

In 1970, whale rustlers herded several killer whales into Pedder Bay, southwest of Victoria, British Columbia, with the intent of capturing them for marine theme parks.

In 1970, whale rustlers herded several killer whales into Pedder Bay, southwest of Victoria, British Columbia, with the intent of capturing them for marine theme parks.

Distinct killer whale populations are known as “ecotypes” and can differ in size, colour and body proportion. Where their ecological ranges overlap, ecotypes rarely interact and do not appear ...