A genetic study the Eastern Pacific Gray Whale population has indicated that the pre whaling population was 5x what was previously thought, indicating that the recovery is 5x as anemic as was previously though.
More significantly, it means that the Eastern Gray Whales population of 20,000, Western Gray Whale population is in the few hundred range, is still well below the carrying capacity of their habitat, and that the increasing number of malnourished whales found are an indication of another problem threating their food supply.
The most likely culprit is global warming.
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