The number of California blue whales has rebounded to near historical levels and, while the number of blue whales struck by ships is likely above allowable U.S. limits, such strikes do not immediately threaten that recovery.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Ynuf_qMT7ZM/140905090223.htm
California blue whales rebound from whaling; first of their kin to do so
5 September 2014
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