New research reveals that orcas around the island of Hokkaido can be split into two distinct forms, offering conservationists ...

While transient ecotype killer whales are mammal-eating, the resident and offshore orcas are fish-eating. Though killer whale populations in the eastern North Pacific near Vancouver Island and Alaska ...

Survival’s a beach in Jo-Anne Brechin’s familiar, but well orca-strated “when animals attack” b-movie.

Across the world’s oceans, killer whales share the same striking black‑and‑white look yet live radically different lives. Some populations hug familiar coastlines generation after generation, while ...