Blue whales picking up where they left off?

New movement patterns may be a sign of good news for blue whales. Blue whales have begun moving around the ocean in ways that strongly resemble their historical patterns before the advent of the whaling trade. A century ago, about 300,000 blue whales existed. But in the early 1900s, humans hunted and killed 99.9 percent of them. The population decimation made them disappear from northern waters. A new paper published online in the...

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