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ABC News
ABC News
National

Blue Whale Study observes 'quite thin' animals as warming ocean puts pressure on food source

Blue whales migrate between colder waters during summer, before heading north to breed. (Supplied: Ningaloo Aviation)

Researchers are worried "skinny" blue whales spotted off Australia's coast are not finding enough to eat due to warming oceans killing their food.   

The life cycle of blue whales found in Australian waters takes them to the southern coast, searching for krill to eat, before they migrate north to warmer waters around Indonesia to breed. 

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