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BLUE WHALES ARE the largest animals that have ever lived, bigger even than the largest dinosaurs. Despite their size, it wasn’t known that they could be found regularly in Australian waters until about 20 years ago.
Globally, blue whales were reduced to 3 per cent of their original population size through whaling. Today, there are thought to be 10,000–25,000 blue whales worldwide, 1500 of them being the pygmy blues around Australia.
Populations are increasing, but the recovery is slower than for many other whales, such as humpbacks.