Orcas aren’t all the same species, study of North Pacific killer whales reveals

Orcas have lengthy been categorized as a single species, though some scientists have questioned this classification in latest many years. Now, researchers suggest that two orca populations within the japanese North Pacific Ocean are literally two distinct species.

In a examine printed March 27 within the journal Royal Society Open Science, the scientists in contrast two teams of orcas (Orcinus orca) — resident and Bigg’s killer whales — and cited a lot of distinct variations.

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