Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...
Green Matters on MSN
Pod of killer whales swarmed a small boat in Antarctica. Then, they started 'spy-hopping' around it
Researchers come 'eye-to-eye with a killer whale' during their Antarctic expedition.
Green Matters on MSN
A cannibalistic war is brewing among Pacific's killer whales and biologists just found proof
The discovery came as a surprise, because the two species usually prefer to avoid each other and keep a safe distance.
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