California blue whales, once nearly extinct, back at historical levels

September 6, 2014 2:30 AM

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California blue whales, once nearly extinct, back at historical levels

LOS ANGELES (Reuters) - California blue whales, the largest animals on Earth once driven to near extinction by whaling, have made a remarkable comeback to near historic, 19th-century levels, according to a University of Washington study released on Friday.

The recovery makes California blue whales - which study authors say now number about 2,200, or 97 percent of historical levels - the only population of blue whales known to have recovered from whaling.

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