California blue whales bounce back to near historic numbers
A blue whale estimated to be around 20m long, swimming off Baja CaliforniaResearchers believe that California blue whales have recovered in numbers and the population has returned to sustainable levels.
Scientists say this is the only population of blue whales to have rebounded from the ravages of whaling.
The research team estimate that there are now 2,200 of these giant creatures on the eastern side of the Pacific Ocean.
But concerns remain about their vulnerability to being struck by ships.
At up to 33m in length and weighing in at up to 190 tonnes, blue whales are the largest animals on the planet.
The California variety is often seen feeding close to the…
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