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In this October 20, 2009 file photo, a 70-foot female blue whale, that officials believe was struck by a ship, is seen washed ashore on the Northern California coast, near Fort Bragg, Calif. The oceans are turning into a Darwinian topsy-turvy place, where it’s survival of the smallest and the bigger a species is, the more prone it is to die off. That’s something unheard of in Earth’s long history of mass extinctions, a new study finds. As subfamilies of marine animal species, called genera, grow larger in body size, the likelihood of them being classified as threatened with extinction, increases by an even greater amount, according to a study published Wednesday, September 14, 2016, in the journal Science. (Photo by Larry Wagner/AP Photo)
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