However, there are likely to be other ecotypes in Falkland waters. The “type D” killer whale has just a tiny white eye patch; it is known from a few sightings in Sub-Antarctic waters ...

John Ford, a killer whale researcher at Fisheries & Oceans ... Today, scientists recognize multiple types of killer whales, called “ecotypes,” according to the new study.

Three ecotypes of orca are already known to live ... The name “transient” was coined by killer whale researcher Dr. Michael Bigg who observed their behaviour as transient or more nomadic.

On a cold January day I was surrounded by hundreds of black-and-white killer whales—Orcinus orca, not a whale but rather ... orcas are divided into three ecotypes based on their diet, which ...