New research reveals that orcas around the island of Hokkaido can be split into two distinct forms, offering conservationists ...
Learn how differences in diet and behavior split orcas off northern Japan into resident and transient groups — and what their ...
The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations ...
Scientists know a surprising amount of information about Southern Resident Killer Whales, but once the whales leave their ...