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What drove killer whales' dramatic behavior this year?

Soviet whalers wiped out blue whales from part of the Indian Ocean 50 years ago. Underwater audio reveals the gentle giants have returned.

Blue whales were wiped out from waters near the Seychelles islands half a century ago but underwater audio captured by scientists shows they returned.

Whales: Arctic melt threat but promise in Dominica

Grey whales have been experiencing major population swings as a result of changing Arctic conditions – but only now have scientists worked out why the Eastern

Coastal News Today | Arctic - Arctic shifts are driving dramatic population swings among gray whales, study explains

CORVALLIS, Ore. Gray whales undergo substantial “boom-and-bust” population cycles in response to shifting Arctic conditions, new research reveals. Since the 1980s, scientists have observed three significant die-offs in the eastern North Pacific gray whale population.

Orcas May Be Teaching Each Other How to Brutalize Blue Whales